Rod Johnson is the father of Spring, which grew out of his influential book, “Expert One-on-One J2EE Design and Development,” which initiated the “lightweight” transformation of enterprise Java. Rod co-founded SpringSource, where he served as CEO until its 2009 acquisition by VMware, where he is now a Senior Vice President.

Rod is an authority on enterprise Java architecture, a thought leader on open source development and business models, and a popular speaker at conferences around the world.

Rod has over 15 years technology, management and business experience. He holds a BA with Honors in Computer Science, Mathematics and Musicology as well as a PhD from the University of Sydney.

Adrian Colyer is the CTO of SpringSource and has more than a dozen years of experience leading teams in Java and enterprise middleware.

Adrian Colyer is the leader of the AspectJ open source project and a well-known industry expert on the topic of aspect-oriented programming (AOP). He is a co-author of the book "Eclipse AspectJ : Aspect-Oriented Programming in Eclipse with AspectJ and AJDT," and has also published numerous book chapters, articles and published papers. His short essay, "AOP without the buzzwords" has been described as "the best explanation of AOP, ever."

In 2004, Adrian was recognized as one of the top 100 young innovators in the world by MIT Technology Review for his contributions to the development and adoption of aspect-oriented programming in industry.

Adrian founded the AspectJ Development Tools project (AJDT) on Eclipse.org in 2003, a project that continues to lead the world in providing IDE support for AOP. As leader of the AspectJ project, Adrian has overseen several releases of the compiler and designed and implemented many of the AspectJ 5 language extensions to support Java 5 features.
Prior to joining SpringSource, Adrian gained over a decade of experience in building enterprise middleware at IBM. Whilst there he oversaw the introduction of aspect-oriented programming to many IBM development teams.

Adrian holds a BSc, Computer Science from University of Southampton.

Juergen has been the most active Spring developer since the open source project began from Rod's Interface21 framework back in February 2003. Juergen and Rod together continue to provide the direction for Spring.

Juergen has earned great respect in the Spring and J2EE communities for his energy, the quality of his code, his incredible attention to detail, and his huge contribution in Spring forums and mailing lists.

Juergen is an experienced consultant, with outstanding expertise in web applications, transaction management, O/R mapping technologies, and lightweight remoting. He has specialized in J2EE since early 2000, having held technology leader positions in various projects ranging from enterprise application integration to web-based data visualization.

Dr. Venkat Subramaniam, founder of Agile Developer, Inc., has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia. Venkat helps his clients effectively apply and succeed with agile practices on their software projects, and speaks frequently at international conferences and user groups. Venkat is also an adjunct faculty and teaches CS courses remotely at the University of Houston. He is author of ".NET Gotchas," coauthor of 2007 Jolt Productivity Award winning "Practices of an Agile Developer," author of "Programming Groovy: Dynamic Productivity for the Java Developer" and "Programming Scala: Tackle Multi-Core Complexity on the Java Virtual Machine" (Pragmatic Bookshelf).

Matt Stine is an Enterprise Java/Cloud consultant based in Memphis, TN. He is a twelve year veteran of the enterprise software and web development industries, with experience spanning the healthcare, biomedical research, e-commerce, and retail store domains.

Matt has spoken at conferences ranging from JavaOne to CodeMash and has published several articles for Agile Zone, GroovyMag and NFJS the Magazine, as well as the Selenium 2.0 DZone Refcard. Matt is also the founder of the Memphis/Mid-South Java User Group.

His current areas of interest include lean/agile software development, software architecture, mobile application development and functional languages.

Brian Sletten is a liberal arts-educated software engineer with a focus on using and evangelizing forward-leaning technologies. He has a background as a system architect, a developer, a security consultant, a mentor, a team lead, an author and a trainer and operates in all of those roles as needed. His experience has spanned the online game, defense, finance, academic, hospitality, retail and commercial domains. He has worked with a wide variety of technologies such as network matrix switch controls, 3D simulation/visualization, Grid Computing, P2P and Semantic Web-based systems. He has a B.S. in Computer Science from the College of William and Mary. He is President of Bosatsu Consulting, Inc. and lives in Los Angeles, CA.

He focuses on web architecture, resource-oriented computing, social networking, the Semantic Web, scalable systems, security consulting and other technologies of the late 20th and early 21st Centuries.

Ken has been a practitioner and instructor of RUP since the late 1990s, and an extreme programmer and coach since the middle 2000s. Ken has worked with Fortune 500 companies to small startups in the roles of developer, designer, application architect and enterprise architect. Ken's current focus is on enterprise system automation and continuous delivery systems.

Ken is an international speaker on the subject of software engineering speaking at conferences such as JavaOne, JavaZone, Jax-India, and The Strange Loop. He is a regular speaker with NFJS where he is best known for his architecture and security hacking talks. In 2009, Ken was honored by being awarded the JavaOne Rockstar Award at JavaOne in SF, California and the JavaZone Rockstar Award at JavaZone in Oslo, Norway as the top ranked speaker.

Tim is a full-stack generalist and passionate teacher who loves coding, presenting, and working with people. He believes the best developer is one who is well-informed of specifics and can also make deep connections between software development and the broader world. He has recently been exploring non-relational data stores, continuous deployment, and how software architecture should resemble an ant colony.

His firm, the August Technology Group, helps clients with product development, technology consulting, and technology upgrade projects atop the JVM. The August Group's technology preferences reflect the generalist sensibilities of its founder, and its development practices are always lightweight, self-improving, and humanizing by design.

Tim is a speaker internationally and on the No Fluff Just Stuff tour in the United States, and is co-president of the Denver Open Source User Group in the Denver area, co-author of the DZone Clojure RefCard, co-presenter of the best-selling O'Reilly Git Master Class, co-author of Building and Testing with Gradle, and a member of the O'Reilly Expert Network.

He lives in Littleton, CO with the wife of his youth and their three children.

Peter is Senior VP Engineering and Senior Fellow at General Assembly, a campus for technology, design, and entrepreneurship. He is responsible for hiring and managing an engineering team and is involved in the development and teaching of the technology curriculum.

Peter is a regular presenter at national and international conferences on ruby, nodejs, NoSQL (especially MongoDB and neo4j), cloud computing, software craftsmanship, java, groovy, javascript, and requirements and estimating. He is on the program committee for Code Generation in Cambridge, England and the Domain Specific Modeling workshop at SPLASH (was ooPSLA) and reviews and shepherds proposals for the BCS SPA conference.

He has presented at a range of conferences including DLD conference, ooPSLA, RubyNation, SpringOne2GX, Code Generation, Practical Product Lines, the British Computer Society Software Practices Advancement conference, DevNexus, cf.Objective(), CF United, Scotch on the Rocks, WebDU, WebManiacs, UberConf, the Rich Web Experience and the No Fluff Just Stuff Enterprise Java tour.

He has been published in IEEE Software, Dr. Dobbs, IBM developerWorks, Information Week, Methods & Tools, Mashed Code, NFJS the Magazine and GroovyMag. He's currently writing a book on managing software development for Pearson.

He is an organizer of the CTO School http://www.ctoschool.org - an organization in NYC devoted to creating the next generation of technical leaders. He also organizes the node.js meetup in New York and co-organizes the Domain Driven Design and Grails meetups.

He is a regular instructor at General Assembly in New York. His presentations cover managing software development, NoSQL, mobile development, Javascript development, Twitter Bootstrap and Javascript frameworks.

He tweets regularly as @peterbell.

Dr Ben Alex is a Principal Software Engineer with SpringSource, and has been working professionally in software since 1995. Ben founded the Spring Security project in 2003 and led its development into a popular, open-source security framework that is used in numerous government, banking and military installations. More recently Ben founded and serves as lead of the Spring Roo and Spring Shell projects, both of which deliver significant productivity and usability benefits to those using Spring technologies.

Ben's career history also includes other roles in software development and business. From 2005 until 2008, he led the establishment and exponential growth of SpringSource's operations in Asia-Pacific. Prior to SpringSource, Ben founded and grew a successful Australian software company, Acegi Technology Pty Limited. He has been a director and advisor to businesses in diverse industries including business services, intellectual property licensing and ecommerce.

In recent years, Ben has presented at technology conferences including JavaOne, The Server Side Java Symposium, JAOO, Oredev, SpringOne and The Spring Experience. He is a regular guest presenter at user groups across the world, with recent appearances in Sydney, Melbourne, Brisbane, Canberra, Perth, Singapore, Wellington, Auckland, Christchurch and Stockholm. He also authored the security chapter of the Wiley book, "Professional J2EE Development with Spring Framework," and maintains a blog at http://blog.springsource.com/main/author/bena/.

As Head of Groovy Development for SpringSource, Guillaume Laforge is the official Groovy Project Manager, and the spec lead of JSR-241, the Java Specification Request that standardizes the Groovy dynamic language. He is also a frequent conference speaker presenting Groovy and Grails at JavaOne, SpringOne, QCon, the Sun TechDays, and JavaPolis. Guillaume also co-authored Groovy in Action along with Dierk König. Before founding G2One, which was acquired by SpringSource in late 2008, and taking the role of VP Technology, Guillaume worked for OCTO Technology, a consultancy focusing on architecture and agile methodologies. While at OCTO, Guillaume developed new offerings around Groovy and Grails for its customers.

As Head of Grails Development for SpringSource, Graeme Rocher is the project lead and co-founder of the Grails web application framework. He's a member of the JSR-241 Expert Group which standardizes the Groovy language. Graeme authored the Definitive Guide to Grails for Apress and is a frequent speaker at JavaOne, JavaPolis, NoFluffJustStuff, JAOO, the Sun TechDays and more. Graeme joined SpringSource in late 2008 upon the acquisition of G2One Inc. Before founding G2One, Graeme was the CTO of SkillsMatter, a skills transfer company specializing in open source technology and agile software development, where Graeme was in charge of the company's courseware development strategy and general technical direction.

Craig Walls has been professionally developing software for almost 18 years (and longer than that for the pure geekiness of it). He is a senior engineer with SpringSource as the Spring Social project lead and is the author of Spring in Action and XDoclet in Action (both published by Manning) and Modular Java (published by Pragmatic Bookshelf). He's a zealous promoter of the Spring Framework, speaking frequently at local user groups and conferences and writing about Spring and OSGi on his blog. When he's not slinging code, Craig spends as much time as he can with his wife, two daughters, 4 birds and 3 dogs.

Hans Dockter is the founder and project lead of the Gradle build system and the CEO of Gradleware, a company that provides training, support and consulting for Gradle and all forms of enterprise software project automation in general.

Hans has 13 years of experience as a software developer, team leader, architect, trainer, and technical mentor. Hans is a thought leader in the field of project automation and has successfully been in charge of numerous large-scale enterprise builds. He is also an advocate of Domain Driven Design, having taught classes and delivered presentations on this topic together with Eric Evans. In the earlier days, Hans was also a committer for the JBoss project and founded the JBoss-IDE.

Core member of the Grails development team, Jeff Brown, is a Senior Software Engineer with SpringSource. Jeff has been involved in designing and building object oriented systems for over 15 years. Jeff's areas of expertise include web development with Groovy & Grails, Java and agile development.

Ari Zilka founded Terracotta in 2003 and is the company’s Chief Technology Officer. Combining business and technology leadership, Ari was an Entrepreneur-in-Residence at Accel Partners and worked at PriceWaterhouseCoopers with some of the world’s leading brands. He was Chief Architect at Walmart.com where he built and led a team of core engineers. And in the mid 1990s, Ari invented a new object relational database that still exceeds the capabilities and performance of database technology today

Oleg is an Sr. Software Engineer with SpringSource/VMWare and has 14+ years of experience in software engineering across multiple disciplines including software architecture and design, consulting, business analysis and application development. He currently focuses on delivering simple but powerful Spring based solutions to the North American market.

After starting his career in the world of COBOL & CICS, Oleg has been focusing on professional Java and Java EE development since 1999. Since 2004 he has been heavily involved in using several open source technologies and platforms with Spring Framework at the forefront, while working on a number of projects around the world and spanning industries such as Telecommunication, Banking, Law Enforcement, US DOD and others.

Oleg’s current passions include Event Driven Architecture (EDA), Grid Computing, Test Driven development and Aspect Oriented Programming while his Spring passions are aligned with Spring Integration framework (http://www.springsource.org/spring-integration) where Oleg is a core committer.

You can regularly spot Oleg on the Spring Forums contributing to a number of topics.

A resident of the Philadelphia area, Oleg enjoys windsurfing, scuba diving, snowboarding, hockey and traveling when he can find some spare time.

Rob Woollen is a Principal Architect at Salesforce.com. At Salesforce Rob leads the architecture for Salesforce Chatter, a real-time collaboration platform. Prior to Salesforce, Rob spent 9 years with BEA Systems serving as the WebLogic Server Chief Architect. Rob holds a BSE in computer science from Princeton University.

David works at SpringSource as a Senior Engineer. He is working on a Flex application for a cloud product and is also on the Spring Web Team.

David has been doing software development for over 15 years. He's been using Java since 1998 and involved in using Open Source almost as long. He's an Apache committer on Struts and Commons Validator, as well as the creator of Commons Validator (although currently no longer active on either). David has focused on Web and Enterprise development for most of his career, and started working with the Spring Framework in 2006.

David runs the website Spring by Example, which is a site for sharing Spring examples. David expects this site will become a general resource for Spring Examples and ultimately save developers time.

James Williams is a Senior Software Engineer for Taulia based in Silicon Valley and a frequent conference speaker. He is a co-creator of the Griffon project, a rich desktop framework for Java applications. He and his team WalkIN, created a product on a coach bus while riding to SXSW, and were crowned winners of StartupBus 2011. He is the author of the upcoming book "Learning HTML5 Game Programming..." for Addison-Wesley. He blogs at http://jameswilliams.be/blog and tweets as @ecspike.

Mike is a Senior Consultant with SpringSource and has 10+ years experience in Java enterprise development and consulting. He started using Spring and Spring Security shortly after the first release and has deep knowledge about making simple, transparent and powerful security solutions but still retaining maintainable code. He is a committer of the Spring Security Framework and the creator of the Spring Security Kerberos Extension. He regularly speaks at various conferences and publishes work around Application Security and Spring.

Quinton Wall is a Developer Evangelist for Salesforce.com where he is a regular technical contributor and speaker at cloud industry events and media sites. For over 15 years, Quinton has been at the forefront of Internet technologies being a founding member of the Australia Java Users Group, building the prototype for the Looksmart search engine, and leading engineering teams across the globe. Quinton now brings this wealth of experience to cloud believing that the future of technology and cloud computing is harnessing the power of convergent clouds.

Jon is the architect of Spring Insight and has more than 15 years of professional experience writing software. He has the privilege of leading the Insight team, a very skilled, agile group of developers committed to giving developers and operators tools to reduce complexity and overhead.

Prior to SpringSource, Jon was a principal engineer at Hyperic and co-founded the product eventually known as Hyperic HQ. He has spent more time capturing and displaying performance data than he cares to .. measure.

Mark Thomas is a Senior Software Engineer with SpringSource. At SpringSource Mark leads the integration of Tomcat with tc Server and has also had a hand in the development and integration of the additional serviceability functionality.

Mark has been using and developing Apache Tomcat for more than five years. He became involved in the development of Tomcat when he needed better control over the SSL configuration than was available at the time. After fixing that first bug, he started working his way through the remaining Tomcat bugs and is still going. Along the way, Mark became a Tomcat committer and PMC member, volunteered to be the Tomcat 4 release manager, created the Tomcat security pages, became a member of the ASF, joined the Apache Security Committee and is an Apache Commons PMC member where he contributes to Commons Pool, DBCP and Daemon. He also helps maintain the ASF's Bugzilla instances.

Mark has a MEng in Electronic and Electrical Engineering from the University of Birmingham, United Kingdom.

Gil Tene is CTO and co-founder of Azul Systems. He has been involved with virtual machine technologies for the past 20 years and has been building Java technology-based products since 1995. Gil pioneered Azul's Continuously Concurrent Compacting Collector (C4), Java Virtualization, Elastic Memory, and various managed runtime and systems stack technologies that combine to deliver the industry's most scalable and robust Java platforms. "In 2006 he was named one of the Top 50 Agenda Setters in the technology industry by Silicon.com. Prior to co-founding Azul, Gil held key technology positions at Nortel Networks, Shasta Networks and at Check Point Software Technologies, where he delivered several industry-leading traffic management solutions including the industry's first Firewall-1 based security appliance. He architected operating systems for Stratus Computer, clustering solutions at Qualix/Legato, and served as an officer in the Israeli Navy Computer R and D unit. Gil holds a BSEE from The Technion Israel Institute of Technology, and has been awarded 24 patents in computer-related technologies.

Dr David Syer is the technical lead on Spring Batch, the batch processing framework and toolkit from SpringSource. He is an experienced, delivery-focused architect and development manager. He has designed and built successful enterprise software solutions using Spring, and implemented them in major financial institutions worldwide. David is known for his clear and informative training style and has deep knowledge and experience with all aspects of real-life usage of the Spring framework. He enjoys creating business value from the application of simple principles to enterprise architecture. David joined SpringSource from a leading risk management software vendor where he worked closely with SpringSource on a number of projects. Recent publications have appeared in Balance Sheet, Operational Risk and Derivatives Technology.

I began my career as a C/C++ programmer working on VINES, a distributed directory services product at Banyan Systems. Over the years I've worked on various Java Web applications including a set of multi-tenant e-commerce web applications, an investment accounting system, a trading and risk management system, and others.

I've been using Spring and many of the Spring projects since 2006. I've helped many to learn or to use Spring more effectively through teaching and consulting. Presently I am a comitter on the Spring MVC and the Spring Web Flow projects. My current home is New York city.

Melanie is Manager of Hyperic Technical Support. Prior to her role with Hyperic she was an Escalation Engineer for VMware, where she worked for three years, specializing in the support and troubleshooting of core vSphere technologies. She is a Virtualization Certified Professional in VI 3 and vSphere 4 architecture. Her main work at VMware has been in the training and preparation of their global support engineers and partners in Bangalore, India. She also participated in the support readiness training of vSphere 4.1 release prior to moving to Hyperic technical support.

Before VMware, Melanie was a software analyst for McKesson, as a product specialist in the configuration and design of their clinical documentation software and started her career as a Unix system administrator for Sun Microsystems.

Melanie holds a BS degree from the University of Colorado at Denver in Computer Information Systems and is a Colorado native, where she still resides, enjoying the snow and sunshine.

Dr Stefan Schmidt has been a Software Engineer with SpringSource since early 2008. He is currently based in the Sydney, Australia office, where he has been a key Roo developer since the project began. Stefan's work on Roo focuses on many of the most popular add-ons, including those which provide web, search and messaging features.

Stefan has been developing Java enterprise applications since 2003. Prior to his work at SpringSource, Stefan has been teaching various Enterprise Java subjects at the University of Technology in Sydney. He mentored hundreds of students in the design of enterprise software architectures with focus on scalability, separation of concerns and design patterns using enterprise Java technologies.

Christian Schalk is a Developer Advocate and works to promote Google's APIs and technologies. He is currently engaging the international Web development community with Google's new OpenSocial API. Before joining Google, Chris was a Principal Product Manager and technology evangelist at Oracle in the Java development tools group. Chris also co-authored the book: "JavaServer Faces, The Complete Reference" published through McGraw-Hill-Osborne. Chris was also one of the original members of the Open Ajax alliance and helped Oracle and later Google join the alliance. Chris has spoken on Web, Java and Ajax development at numerous Oracle, Java and Ajax conferences, as well as Google related events including Google Developer Day and recently at Google IO.

Vipul Savjani is a manager in the Accenture's Architecture Innovation organization. Vipul has more than nine years of diverse experience in developing software products and solutions. Vipul is interested in and focuses on emerging technologies and methodologies including Cloud Computing, Dynamic Languages, Model-Driven Development, and Agile Methodologies.

Colin is Director of R&D at SpringSource (now a division of VMware), which he co-founded in 2004. He is one of the original core committers on the Spring Framework, a published author, and public speaker. Since starting SpringSource he has served in a number of roles throughout various parts of the organization, including Engineering, Service Delivery, Support, and Sales. Colin is at his best when combining both technical as well as business and customer facing aspects.

Colin has had a long and varied career spanning 23 years in both the enterprise and shrinkwrap software space, including previous experience developing for and building out a retail software company.

Immediately prior to SpringSource, Colin spent 5 years as architect/chief architect at a leading software incubator and VC firm. Colin's role was split between one part hands on architecture, design, and coding, another part mentoring and teaching best practices at the code and process level, and a final part performing technical due diligence and consulting for the VC arm.

Throughout his career, Colin's experience, wide ranging interests and general knowledge in the technology space have led him to be a resource that others have been able to draw on for advice. In general, Colin's background has left him with a deep knowledge of all it takes to successfully release good software, at the code, process, and business level.

Aled has over a decade’s experience developing distributed applications, mostly in the enterprise sector. Particular areas of interest include concurrency, fault tolerance and transactional semantics.

Prior to joining Cloudsoft, Aled was Chief Architect at Enigmatec Corporation. He holds a PhD (Computer Science) from the University of St Andrews.

Thomas has been a developer on the Spring Framework project since early 2003, contributing to enhancements of the JDBC framework portion.

Thomas currently works as a consultant for SpringSource specializing in Java EE and database projects. He has been involved with developing database applications, both as a DBA and as an application developer for over 20 years, using a wide variety of languages and databases.

Thomas is co-author of "Professional Java Development with the Spring Framework" together with Rod Johnson, Juergen Hoeller, Alef Arendsen, and Colin Sampaleanu, published by Wrox in 2005.

Chris Richardson is a developer and architect with over 20 years of experience. He is a Java Champion and the author of POJOs in Action, which describes how to build enterprise Java applications with POJOs and frameworks such as Spring and Hibernate. Chris is the founder of CloudFoundry.com and works on cloud technology. He has a computer science degree from the University of Cambridge in England and lives in Oakland, CA with his wife and three children.

Chris Ramsdale has worked extensively in the mobile space, starting as a Software Engineer at Motorola in 1997, and then joining local start ups as a Tech Lead and Product Manager. Chris is currently a Product Manager for Google App Engine focused on developer tools and platform services.

As the Chief Architect for GemFire product line, Jags is responsible for the technology direction for its high performance distributed data Grid and virtualization platform. Jags has represented GemStone Systems in the EJB expert group and the J2EE platform specification. In the past, Jags represented BEA in the W3C SOAP protocol specification, JAXM and other standards. Jags has presented in several conferences in the past on Data management, clustering and grid computing(Javaone, W3C workshop, Java user groups, Open Grid Forum, Platform Grid conference etc) . He has over 20 years of experience, a bachelors degree in computer science and a masters degree in management of science and technology.

Matthias Radestock is the co-creator and Technical Director of RabbitMQ, an open-source, open-standards business & cloud messaging technology, featuring an Erlang-based server and clients and extensions in a multitude of programming languages. RabbitMQ was acquired by SpringSource in April 2010.

Matthias has a Ph.D. in Software Engineering from Imperial College and is the author of several papers in international journals on distributed system coordination and programming languages. His commercial experience during the past decade includes directorships and senior technical roles in several Internet technology companies.

Arjen Poutsma is a senior enterprise application architect with more than fifteen years' experience in commercial software environments. During this time he has worked with both J2EE and Microsoft .NET.

In 2004, Arjen started to specialise in Web Services and Service Oriented Architectures. During this period he has conducted trainings and has researched SOAs in large organisations.

Arjen is the founder and the project lead for the Spring Web Services. This Spring project aims at facilitating development of document-driven web services. Recently, Arjen worked on the REST support in Spring 3.0. Arjen has also contributed to various other open source projects, including XFire, NEO and others.

Since early 2005, Arjen has been a consultant for SpringSource in The Netherlands. Currently, he is a Software Engineer.

Dr. Mark Pollack has worked extensively in the financial sector as an architect and developer on various front office trading systems that involved a mixture of Microsoft and Java technologies. Always interested in best practices and improving the software development process, Mark has been a core Spring (Java) developer since 2003 and founded its Microsoft counterpart, Spring.NET, in 2004 which he continues to lead.

Prior to joining SpringSource, he was a founding partner at CodeStreet, LLC, an independent software vendor in the financial services industry. This year Mark has been recognized as a Microsoft Most Valuable Professional (MVP) for his involvement in the technical community.

Love People, Music and Coding. Spoke at Philadelphia Spring User Group.

Peter Niederwieser is a computer language enthusiast from Linz, Austria. Having used Java since 1997, Peter nowadays prefers to work with more flexible languages - in particular Groovy, Scala, and Clojure. Peter is the creator of Spock and a Groovy committer.

In his day job, Peter is a Principal Software Engineer at Gradleware.

Justin Murray holds a technical alliances role at VMware, where he has worked for three years. His main work at VMware is in helping ISV partners to test, prove and optimize performance of their products on the VMware vSphere platform. Justin also helps VMware's customers with virtualizing their business applications and infrastructure and advises them on best practice approaches to virtualizing Java-based applications in particular. Previous to joining VMware, Justin worked at HP on management software and on Java on HP-UX.

David has been passionate about computers ever since he was given his first Amiga 500 (with the RAM upgrade) at age seven. Now, 19 years later, he works as a software engineer in the valley for Neo Technology, commercial backer of Neo4j, the most widely deployed graph database in the world. He loves his supporting family, he loves his fantastic job, and he loves programming. Oh and beer, he also loves beer.

Marty is Director of Support Services at SpringSource. Prior to the acquisition of Hyperic by SpringSource, Marty was the Director of Customer Success at Hyperic.

Before Hyperic, Marty was Director of Global Support Services and Operations at Red Hat, one of the world's leading open source providers. While at Red Hat, Marty lead various global initiatives from policy transparency to systems efficiency to support readiness while dealing with the occasional angry Enterprise customer. During his tenure at Red Hat he built the Asia-Pacific Support operations from the ground up while on assignment for two years in Australia. Additionally he held Developer and Director roles in the Information Technology department as part of the Enterprise Application Development team.

Marty holds a BS degree from North Carolina State University in Computer Science and now resides in the San Francisco Bay Area.

With over 20 years of cutting edge software experience with marquee firms like Gemstone, Intel, EDS and CenterSpan communications, Sudhir Menon is one of the key architects for the Gemfire Enterprise Data Fabric. Sudhir is the Director of Engineering for GemFire and hold multiple patents in the areas of scaled up networking systems. His expertise in distributed data management spans multiple languages (Java, C++ and .NET) and multiple platforms and he has architected and developed network stacks for the last 10+ years. At Centerspan communications, he was one of the key architects who built the largest secure peer to peer content distribution platform over the internet.

Richard McDougall is a Principal Engineer in the Office of the CTO at VMware, where he focuses on scalability, observability and performance of virtualization systems. One of his particular projects is characterizing the performance of Oracle Database on VMware Infrastructure.

Richard is the co-author of “Solaris Internals”, “Solaris Performance and Tools” (solarisinternals.com) and the lead author for “Resource Management” (Prentice Hall/Sun Blueprints). He has written numerous articles and papers on measurement, monitoring and capacity planning of Solaris systems, and frequently speaks at industry and customer technical conferences on the topics of system performance and resource management.

Richard and his performance team have published and blogged on several Oracle performance topics on vmware.com including http://www.vmware.com/resources/techresources/1055 and http://blogs.vmware.com/performance/ .

Tom McCuch is a Senior Sales Engineer for SpringSource with over twenty years of experience in software engineering. Tom specializes in the architecture, implementation, and deployment of distributed systems requiring high Reliability, Availability, and Scalability (RAS) features. Before joining SpringSource, Tom consulted enterprise clients across multiple industries in the architecture of mission-critical solutions based on open source software as well as led the engineering of enterprise Java middleware supporting next-generation telecommunications products deployed at tier-1 telcos both in the U.S. and Europe.

Steve Mayzak is part of the Cloud Applications Platform team at
VMware. As part of this team he is focused on mapping our solutions to
customers needs and ensuring that what we offer fits their requirements.
He is constantly in the field working with customers on their Enterprise Java and Cloud initiatives.

Maudrit Martinez is manager in the Accenture's Architecture Innovation organization, where he focuses on technology architecture, custom enterprise application development and emerging technologies. He currently leads Accenture’s Foundation Platform for JavaTM (AFP-J) and Dynamic Languages initiatives.

Maudrit has more than 16 years of professional experience in software design and development across multiple industries, including financial services, telecommunication, media and entertainment. He holds a BSc. in Computer Engineering and a Master in Business Management from the Universidad Rafael Urdaneta. His interests include software architecture, agile software development, framework design, system scalability, process improvement and project management.

Amit is a software engineer on the Google Web Toolkit team, where he works towards GWT delivering "productivity for developers, performance for users." In particular, he has contributed to improving GWT's development mode, testability of GWT applications, and resource selection in GWT. He holds a Ph.D. degree in Computer Science from Carnegie Mellon University, has founded a VC-backed Web startup, and enjoys mathematical puzzles.

Josh Long is the Spring developer advocate. Josh is the lead author on Apress’ Spring Recipes, 2nd Edition, and a SpringSource committer and contributor. When he's not hacking on code, he can be found at the local Java User Group or at the local coffee shop. Josh likes solutions that push the boundaries of the technologies that enable them. His interests include scalability, BPM, grid processing, mobile computing and so-called "smart" systems. He blogs at blog.springsource.org or joshlong.com.

Charles Lee was a co-founder of Hyperic, before Hyperic was acquired by SpringSource. Prior to co-founding Hyperic, Lee was a senior software engineer at Covalent. There, he built Covalent's configuration management product for Apache (CMP), and he spearheaded and architected the application management software (CAM), which later became Hyperic HQ.

Before Covalent, Lee developed a document management system for retail store build-outs based on open-source technology at WiseConnect. Lee also held senior engineering position at Hewlett-Packard, where he was instrumental in developing print drivers for network LaserJets for the Asian market, as well as developing the UI framework used for LaserJet drivers for all markets. Lee also developed the first GUI printer configuration framework for AutoCAD while a senior engineer at Autodesk. Lee was an early engineer at Backflip, where he created the document publishing system for the website based on mod_perl.

Lee is now product manager of several products, including Hyperic, Cloud Foundry, and Spring Insight.

A long-time Grails user, Peter is currently a committer to the project and officially Grails Advocate at SpringSource, a division of VMware. He is also co-author of Grails in Action with Glen Smith.

Costin Leau is an engineer within the SpringSource. His interests include data access and aspect oriented programming. With significant development experience, Costin has worked on various Spring Framework features (cache abstraction, JPA, java config), led the Spring Dynamic Modules (Spring OSGi probject) and the Spring-inspired, OSGi 4.2 Blueprint Service RI. Currently Costin is working in the NOSQL and Big Data area, leading the Spring integration with GemFire, Hadoop and Redis.

Ramnivas Laddad is a SpringSource Principal Enginner. He has over a decade of experience in applying his enterprise Java and aspect-oriented programming (AOP) expertise to middleware, design automation, networking, web application, user interface, and security projects.

Ramnivas Laddad is a well-known expert in enterprise Java, especially in the area of AOP and Spring. He is the author of AspectJ in Action, the best-selling book on AOP and AspectJ that has been lauded by industry experts for its presentation of practical and innovative AOP applications to solve real-world problems. Ramnivas, a Spring framework committer, is also an active presenter at leading industry events such as JavaOne, JavaPolis, No Fluff Just Stuff, SpringOne, Software Development, and has been an active member of both the AspectJ and Spring communities from their beginnings.

Ken Kousen is the President of Kousen IT, Inc., through which he does technical training, mentoring, and consulting in all areas of Java and XML. He is the author of the O'Reilly screencast "Up and Running Groovy", and the upcoming Manning book about Java/Groovy integration, entitled "Making Java Groovy".

He has been a tech reviewer for several books on software development. Over the past decade he's taught thousands of developers in business and industry. He is also an adjunct professor at the Rensselaer Polytechnic Institute site in Hartford, CT. His academic background includes two BS degrees from M.I.T., an MS and a Ph.D. from Princeton, and an MS in Computer Science from R.P.I.

Dave is a consultant helping organizations of all sizes to develop applications more quickly (and have more fun doing it) with Grails. Dave has been involved in enterprise software development for the past 15 years. He has worked as a developer, architect, project manager, mentor and trainer. Dave has presented at user groups and national conferences. He is also the founder of the Capital Java User Group in Madison, Wisconsin, the Gateway Groovy Users in St. Louis, MO, and the author of Grails: A Quick-Start Guide, published by the Pragmatic Programmers. . Dave's Groovy and Grails related thoughts can be found at http://dave-klein.blogspot.com

Paul King leads ASERT, an organization based in Brisbane, Australia which provides software development, training and mentoring services to customers wanting to embrace new technologies, harness best practices and innovate. He has been contributing to open source projects for nearly 20 years and is an active committer on numerous projects including Groovy. Paul speaks at international conferences, publishes in software magazines and journals, and is a co-author of Manning's best-seller: Groovy in Action.

Dr. Mik Kersten is the CEO of Tasktop Technologies, creator of the Eclipse Mylyn open source project and inventor of the task-focused interface. As a research scientist at Xerox PARC, Mik implemented the first aspect-oriented programming tools for AspectJ. He created Mylyn and the task-focused interface during his PhD in Computer Science at the University of British Columbia. Mik has been an Eclipse committer since 2002, is an elected member of the Eclipse Board of Directors and serves on the Eclipse Architecture Council. Mik's thought leadership on task-focused collaboration makes him a popular speaker at software conferences, and he was voted a JavaOne Rock Star speaker in 2008 and 2009. He enjoys building tools that offload our brains and make it easier to get creative work done. Follow @mik_kersten on Twitter.

Scot Junkin is Consultant Partner Integration Engineer for the Cloud Infrastructure Group at EMC Corporation and is responsible for guiding partners through technical hurdles on their way to success with EMC’s Cloud Storage solution, EMC Atmos.

Scot joined EMC in June of 2009 with the objectives of driving adoption of a new more flexible paradigm of IT for customers within the Enterprise. Prior to joining EMC, Scot consulted for a variety of technology startups focused on cloud computing, with a focus on their technical and go-to-market strategies. Scot also held strategic positions with MessageSling and Jingle Networks.

Scot holds an MS and a BS in Computer Science from Worcester Polytechnic Institute.

Responsible for managing Alfresco's research and development team and ensuring both innovation and quality are delivered in Alfresco's software.

Paul has over 20 years experience of managing teams in collaborative research and development, both in open source and proprietary software organizations, including IBM® and Documentum®. His focus has always been to realize advanced technology solutions to real world problems.

His expertise covers Knowledge-based Expert Systems, Neural Networks, Information Extraction and Multilingual Natural Language Processing. Paul has been pivotal in a number of innovation start-ups, as well as having extensive experience of corporate production systems with Resumix® and Documentum®. Paul has PhD in Artificial Intelligence from the University of Surrey.

Jennifer Hickey is a Sr. Software Engineer with SpringSource/VMware, with over a decade of experience in software engineering. Jennifer is a member of the Cloud Foundry team, specializing in developer experience and support of frameworks such as Spring, Grails, Rails, and Sinatra. She is passionate about increasing developer productivity in the cloud. Jennifer has led or contributed to a number of SpringSource projects, including Hyperic and tc Server. She has been involved in converting multiple large EJB/legacy codebases to Spring. Prior to joining SpringSource, Jennifer was a principal architect of a large-scale network management system.

Alex brings twenty years experience designing software solutions in the enterprise, start-up, and academic sectors. Most recently Alex was with Enigmatec Corporation where he led the development of what is now the Monterey Middleware platform. Previous to that, he founded PocketWatch Systems, commercialising results from his doctoral research. Alex holds a PhD (Informatics) and an MSc (Cognitive Science) from the University of Edinburgh and an AB (Mathematics) from Princeton University. Alex was both a USA Today Academic All-Star and a Marshall Scholar.

Ryan Heaton is a senior software engineer at FamilySearch.org, with specific responsibility for the design and development of the FamilySearch public Web service API. His expertise in the cutting edge of Web service technologies has spawned a significant set of open-source projects including Enunciate (a build-time Web service enhancement engine) and the OAuth extension for Spring Security. Ryan is also involved in a number of working groups for the development of technologies related to Web services and has been invited to share his expertise in a variety of professional conferences.

Ryan loves to code, and is occasionally surprised to discover that he actually gets a paycheck for doing something so enjoyable. But what’s even more surprising is that he has a beautiful wife and four boys that love him despite his geeky hobbies.

Colin Harrington is a Senior Consultant at Object Partners, Inc with over 3.5 years of Grails experience. Based in Minnesota, Colin has 10+ years of experience developing web-based applications.

Colin is an agile practitioner and has been a key component of many powerful fast-paced local and remote teams with varying levels of composition and ability. He is a Technical leader and a forward thinker with a knack for delivering potent and engaging web-applications.

Colin is an active member of the Groovy and Grails community and an active speaker at local user groups, events and conferences such as MinneBar, GUM, GR8Conf in the US, etc.

Ben Hale is a senior software engineer with Springsource and a core developer on the SpringSource dm Server project. Ben specializes in middleware development with using technologies such as OSGi and Aspect Oriented Programming as well as directing the build and release processes for all products in the Spring and SpringSource portfolios.

His interests include middle-tier architecture and effective build and release management strategies.

Prior to joining SpringSource, Ben spent several years leading teams in architecture and development of large-scale enterprise management applications for the telecommunications industry.

Jeremy Grelle is an open source software engineer with SpringSource, a division of VMware, who specializes in bringing the cutting-edge techniques of web application development to the Java and Spring ecosystems. He is the creator of the Spring JavaScript, Spring Faces, and Spring BlazeDS Integration projects, and he represents SpringSource on the JSR-314 Expert Group for JSF 2.0. He is a software artisan with extensive experience in combining server-side Java with the latest web browser technologies to deliver a rich and usable experience for the end user on the web.

Jeremy is a frequent speaker at industry conferences such as JavaOne, The Spring Experience, SpringOne, JSFOne, TheServerSide Java Symposium, and Java and Flex user group events, and always enjoys getting out and showing his fellow developers how to bend web browsers to their will and the possibilities of what can be created with Spring and its wealth of complimentary web technologies.

Adam is the Director of Developer Relations at SpringSource and has extensive experience in enterprise Java community management. Prior to joining SpringSource, Adam ran BEA's dev2dev community and was a product evangelist, technology educator and public speaker for BEA's WebLogic products.

Mark Fisher is an engineer within the SpringSource division of VMware and lead of the Spring Integration project. He is also a committer on the core Spring Framework and the Spring BlazeDS Integration project. Mark has provided consulting services for clients across numerous industries, and he has trained hundreds of developers how to use the Spring Framework and related projects effectively. Mark speaks regularly at conferences and user groups in America and Europe.

Brian Dussault is an IT Architect with EMC Corporation and has 13+ years of experience in software engineering across multiple disciplines including web applications, integration, and SOA. His interests include agile development, private cloud automation, and next generation integration architecture.

Christian is a Principal Software Engineer for SpringSource and is the leader of the Tools Team responsible for SpringSource development tools including SpringSource Tool Suite. Since 2004 Christian has led the well known Spring IDE open source project that provides development tools for the Spring Portfolio based on Eclipse.

Christian has been developing Java enterprise applications since 1997. During this time, Christian designed complex software architectures with a focus on multi-tiered, web-based, client-server applications using enterprise Java technologies and the Spring Framework. Prior to joining SpringSource, Christian worked as consultant and project manager for one of the leading global technology consulting firms in the financial sector in central Europe.

Christian has presented on a variety of enterprise Java topics at conferences such as JAX, W-JAX, SpringOne and The Spring Experience.

Keith Donald is a principal and founding partner at SpringSource, the company behind Spring and a division of VMware. At SpringSource, Keith is a full-time member of the Spring development team focusing on web application development productivity. He is also the architect behind SpringSource's state-of-the-art training curriculum, which has provided practical Spring training to over 10,000 students worldwide.

Over his career, Keith, an experienced enterprise software developer and mentor, has built business applications for customers spanning a diverse set of industries including banking, network management, information assurance, education, retail, and healthcare. He is particularly skilled at translating business requirements into technical solutions.

Rajeev Dayal is a Google software engineer on the Google Web Toolkit (GWT) team. His primary focus is the Google Plugin for Eclipse (GPE), which involves both fun stuff (making Eclipse do cool things) and not-so-fun stuff (tracing through a zillion lines of Eclipse source to figure out how to make Eclipse do cool things).

Rajeev has also done work on GWT's user interface library, specifically on accessibility, widget development, and fighting browser quirks.

Rajeev holds Bachelors and Masters degrees in Computer Science from the University of Waterloo and Georgia Tech.

Scott Davis is the founder of ThirstyHead.com, a training company that specializes in Groovy and Grails training.

Scott published one of the first public websites implemented in Grails in 2006 and has been actively working with the technology ever since. Author of the book Groovy Recipes: Greasing the Wheels of Java and two ongoing IBM developerWorks article series (Mastering Grails and in 2009, Practically Groovy), Scott writes extensively about how Groovy and Grails are the future of Java development.

Joshua has been programming in Java for 12 years.. He now works for Cognizant Technology Solutions as a Senior Architect specializing in Open Source SOA and resides in Gotha, FL.

Joshua is presently working on the Grails Portal project, hosted on Google code (http://code.google.com/p/grailsportal/) which has the goal of creating a simple personalization scheme in Groovy and Grails.

John Davies is co-founder and CTO of Incept5. Incept5 have been intimately involved in implementing Visa's new capabilities and initiatives around the payments world. John's past includes global chief architect at JP Morgan and BNP Paribas, co-founder and CTO of C24 later sold to Iona and then Progress Software where he was technical director. John specialises in high performance, low latency enterprise architectures, Incept5 have products ranging form top selling iPhone/iPad apps to a high performance matching and reconciliation engine and consult to a number of large clients on IT strategy. John has co-authored several enterprise Java and architecture books and is a frequent speaker at banking and technology conferences.

Hamlet D'Arcy has been writing software for over a decade, and has spent considerable time coding in C++, Java, and Groovy. He's passionate about learning new languages and different ways to think about problems. Hamlet is the founder of the Basel-based Hackergarten open source coding group, and regularly participates and speaks at local and international user groups and conferences. Hamlet is a committer on the Groovy and CodeNarc projects, and is a contributor on a few other open source projects (including JConch and the IDEA Groovy Plugin). He blogs regularly at http://hamletdarcy.blogspot.com and can be found on Twitter as HamletDRC (http://twitter.com/hamletdrc).

Andy Clement is a senior software engineer at SpringSource, based in the languages and tools lab in Vancouver. Andy has more than ten years experience in Java and Enterprise Application Development. He is a recognized expert on Aspect Oriented Programming and leads the Eclipse AspectJ project as well as being co-founder of the Eclipse AspectJ Development Tools project. Most recently he has been using his compiler knowledge to enable first class language support for Groovy in Eclipse.

Cagatay Civici is a member of JavaServer Faces Expert Group who defines the JSF specification(JSR-314), the founder and project lead of popular PrimeFaces Component Suite and PMC member of open source JSF implementation Apache MyFaces. He's a recognized speaker in international conferences including Jazoon, W-JAX, JSFSummit, JSFDays and many local events such as JUGs. Cagatay is also an author and technical reviewer of several books regarding web application development with Java and JSF. As an experienced trainer, he has trained over 100 java developers on Java EE technologies mainly JSF, Spring and JPA. Cagatay is currently working as a consultant for Prime Technology in Turkey.

Dave Carroll is the Director of Developer Evangelism at salesforce.com. In Dave’s 8 years at salesforce.com, his focus has been on growing the developer community around the company’s Force.com Platform as a Service. Dave was instrumental in launching and validating the Force.com platform. Dave has also led and participated in the creation of many developer tools, including the Force.com Toolkit for AJAX, Force.com Toolkit for Adobe Flex and the Force.com IDE Eclipse plugin. Dave has spent over 15 years developing software on a variety of platforms.

Reid Carlberg leads the Force.com Labs program for salesforce.com. Reid helps internal developers define, create and publish solutions using the full variety of tools available on the Force.com platform. Before joining the salesforce.com ecosystem in 2007, Reid built apps using a variety of technologies and was an early adopter of the Spring Framework and other lightweight Java technologies. He holds a masters degree in software engineering and lives in the Chicago area.

Starting as a Smalltalk developer at IBM, David has been building or architecting enterprise systems in object languages for over 20 years. Working for both GemStone and Oracle, he has focused on the issues that arise between applications and the data they depend on in high performance and distributed systems.

David currently advises customers worldwide on their application of VMWare's vFabric technologies, including GemFire, tcServer, RabittMQ and Hyperic.

Jon works with the Spring Data, Grails, RabbitMQ, and other teams to provide next-generation data and messaging capabilities for modern Ajax and mobile applications. He's been working with Spring Data to provide mapping capabilities for NoSQL databases like MongoDB and Riak and he's working with RabbitMQ and NoSQL to provide modern evented and message-driven data utilities. He authored the Grails support for Riak as well as contributes Erlang-based utilities for the Riak and RabbitMQ communities.

Prior to SpringSource, Jon developed private cloud architectures at the world's largets Pizza Hut franchisee, developed Lotus Domino, J2EE, PHP and even Perl CGI applications in BBEdit on an aged Mac, and got his start in web-based development 15 years ago, as an intelligence analyst for the US Air Force, when NCSA Mosaic 1.0 was cool.

Currently a Senior Software Engineer for SpringSource where he is the Technical Lead and Community Evangelist for the Spring.NET Framework, Stephen brings his varied 18-year-plus experience in software and technology to the design and delivery of Software Engineering Solutions and Frameworks for other Software Engineers. In addition to his work on Spring.NET, Stephen is also an active contributor to several other .NET Open-Source Software projects including NHibernate, NDbUnit, and others as well having developed a number of Visual Studio productivity add-ins.

Active in the software development community, Stephen speaks publicly, blogs (semi-)regularly, and is the author of several popular screencast series focused on Agile and ALT.NET concepts and technologies including the widely-praised 15-part Summer of NHibernate video series introducing viewers to the popular open-source O/RM tool. Stephen is also a founding/organizing member of the NYC ALT.NET user group which meets monthly to discuss Agile-focused techniques and technologies in the world of Microsoft software development and beyond.

Burt Beckwith is a Java and Groovy developer with over ten years of experience in a variety of industries including biotech, travel, e-learning, social networking, and financial services. For the past three years he's been working with Grails and Groovy full-time. Along the way he's created over fifteen Grails plugins and made significant contributions to several others. He was the technical editor for Grails in Action.

Chris is an engineer for SpringSource and a member of the core Spring Framework development team. Chris joined SpringSource (then Interface21) in 2007, focused on training, consulting and leading the development effort to bring code-based configuration to the core Spring container. In 2010, Chris transitioned to full-time engineering, and continues to focus on Spring Framework development. You can find him online as @cbeams at both GitHub and Twitter.

Swapnil is a software engineer on the GemFire team of vFabric Cloud application platform at VMware. He is passionate about enabling scalable applications, loves programming and the challenges that a distributed system offers. At Gemstone systems, he has worked on a variety of things from transactions in a distributed system to a complex event processing engine. Currently he is the Lead for "GemFire as a L2 cache for Hibernate" project. Swapnil has a Master degree in Computer Science from George Mason University.

Jean Barmash is the co-founder and lead developer of EnergyScoreCards, a startup company that helps benchmark energy efficiency of multi-family buildings. He is responsible for architecture and implementation of the SaaS software using the Grails framework.

To this role Jean brings over 10 years of experience in different areas of software industry. Most recently, he was Director of Technical Services at Alfresco Software, the Open Source Enterprise Content Management Company, where his responsibilities included architecture and hands-on development of content centric solutions, training, and working with open source community. He also worked as Sr. Consultant and Trainer at several Wall Street Firms. Well-versed in both .NET and Java Platforms, Jean is interested in applying latest development techniques to interesting problems.

Jean is a frequent speaker on technology and architecture topics at various user groups and industry conferences. He is also the founder of the New York Groovy / Grails Meetup.

Scott is a member of the web products team at SpringSource, where he focuses on creating and sustaining rich web applications and frameworks. Scott is the creator of the SpringSource Enterprise Bundle Repository, a production web application built on Spring 2.5, Spring MVC, and Spring JavaScript. He is also an expert in UI design, style, accessibility, and particularly skilled in interacting with customers to map business requirements to innovative software solutions. Over the course of his career, Scott has lead the successful development of mission-critical web applications in the areas of academia and technology infrastructure.

Andres is a Java/Groovy developer and Java Champion, with more than 11 years of experience in software design and development. He has been involved in web and desktop application developments since the early days of Java. He has also been teacher of computer science courses in the most prestigious education institute in Mexico. His current interests include Groovy and Swing. He is a true believer of open source and has participated in popular projects like Groovy, Griffon, JMatter and DbUnit, as well as starting his own projects (Json-lib, EZMorph, GraphicsBuilder, JideBuilder). Founding member and current project lead of the Griffon framework. He blogs periodically at http://jroller.com/aalmiray. You can find him on twitter too as @aalmiray. He likes to spend time with his beloved wife, Ixchel, when not hacking around.