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/.

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.

Located in Munich/Germany, I'm doing freelancing in software engineering and consulting since +12 years. My technical focus is Grails and Neo4j and other emerging technologies. The second part of my professional life is Netjay, a small co-founded company doing larger scale projects. Last couple of years I gave several talks at various conferences like gr8conf.eu, grailsXchange, AgileWorld. In my spare time I serve as a volunteer firefighter, that's my there is the nice helmet on my avatar image.

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.

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.

Emad Benjamin has been in the IT industry for the past twenty years. He graduated with a Bachelor of Electrical Engineering from the University of Wollongong. Earlier in his career, he was a C++ software engineer, then in 1997, he switched to programming with Java, and has been focusing on Java ever since. For the past seven years, his focus has been Java on VMware vSphere, vFabric GemFire and SQLFire. Emad has been at VMware since 2005, and is the author of the Enterprise Java Applications Architecture on VMware book. Emad has previously presented at VMworld, SpringOne, and Open World on the subject of Java virtualization.

Sébastien Blanc is JEE engineer with 8 years of experience. After spending 7 years in the Netherlands as Software Engineer, he decided to go back to his roots in the South of France. He is working for the company Sopra and he is working on a prestigious assignment for the client Amadeus including a lot of Groovy.

Besides his “heavy” JEE profile (middleware, banking and insurance products) Sébastien spends a lot of time in Groovy and Grails. He is the author of several Grails plugins such as Spring Mobile, Jquery Mobile Scaffolding or Geolocation. He believes that Mobile Web Apps are the future and tries to evangelize this through different conferences (Gr8Conf, Devoxx, RivieraDev, Grails Exchange).

Marius Bogoevici is a Senior Software Engineer with Red Hat, leading the Spring integration efforts for JBoss AS and other JBoss projects. He is the lead for Snowdrop, a utility package that contains JBoss-specific extensions to the Spring Framework, and also a contributor to Weld, the JSR-299/CDI Reference Implementation and other Java EE-related developer initiatives at JBoss.
Marius Bogoevici has an extensive experience of more than 15 years developing and architecting software systems. Prior to joining Red Hat, he was a Spring consultant with SpringSource. He is a contributor to the Spring Integration enterprise integration framework and co-author of “Spring Integration in Action”.

Nenad Bogojevic is a software architect in Sales and E-commerce Platform division of Amadeus IT Group. For the last 12 or so years, Nenad has been working on a high volume web based travel reservation platform using Java technologies. As a key actor he has been influencing the technical direction of the company's e-commerce platform. Currently, he provides technical guidance for mission critical travel agency application platform with paramount scalability and extensibility requirements. Nenad loves experimenting and whenever time permits, he mashes up a prototype or two to test or prove new technologies. At home, when he needs a dose of geekiness, he constructs robots with his daughters.

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.

Sam Brannen is a Senior Software Consultant with over 13 years' experience and co-founder of Swiftmind, a software consulting agency in Zürich, Switzerland. At Swiftmind Sam helps international clients achieve best practices in agile software development, architecture, design, implementation, and testing of enterprise Java applications using the Spring Framework and a plethora of open source technologies. In his consulting role, Sam most enjoys leading work shops, code reviews, coaching, and training clients.

Sam is a popular speaker at conferences on Java, Spring, and OSGi. He is also an active core committer for the Spring Framework, lead author of "Spring in a Nutshell" from O'Reilly, author of the Spring TestContext Framework, and was previously a core developer of SpringSource dm Server (a.k.a., Eclipse Virgo).

Over the years, Sam has helped clients build applications in various business sectors ranging from e-commerce to banking, retail, automotive, and social communities. When not in front of his computer, Sam enjoys traveling and spending time with family and friends.

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.

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.

Ed is an open source software engineer with SpringSource, a division of VMware, where he regularly works with both Java and JavaScript, often at the same time. Ed joined VMware through the acquisition of WaveMaker Software, where he led numerous efforts including the founding of the developer community. Ed has been mixing new technologies with enterprise software and developer services for over 15 years.

Brian is a server-side Java guy turned front-end engineer, and open source fanatic. From collaborative aircraft maintenance systems for the US Navy, to Computer Assisted Surgery systems for Orthopedic surgery, to a global-scale content curation and personalization system, he loves building things that users love to use. He works at VMware on making the web more awesome, and is co-lead of the cujo.js architecture unframework (cujojs.com), a lover of Siberian huskies, family, and things with two wheels.

More about Brian: https://github.com/briancavalier http://blog.briancavalier.com/ http://www.slideshare.net/briancavalier http://lanyrd.com/profile/briancavalier/

Cédric Champeau is a core Groovy committer. He joined SpringSource, a division of VMware, in order to help developing the language. Prior to that, he spent several years at Lingway, a software editor, where he used Groovy in multiple industrial contexts including DSLs for natural language processing, scripting or even workflows.

He his currently working on the implementation of static type checking and static compilation for Groovy 2.0.

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.

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.

Emiliano Conde is the Founder and Lead Developer of jBilling Software, Ltd. He oversees the architecture and product direction of jBilling, the leader in open source enterprise billing systems. He is often working on-site with companies around the world helping implement large, enterprise class billing solutions on Java environments. Emiliano Code counts 17 years of experience in software development, his last position prior to the founding of jBilling being Software Architect for HSBC Global Systems (ranked 2nd largest bank in the world). He holds a certificate on Software Engineer from the University of British Columbia (Canada). He now lives in Ottawa, Canada.

Ben Corrie has been working on Java since 1998, where he began at IBM testing JDK 1.1.4. He progressed to working on the internals of IBM's Java Virtual Machine where he lead a project to develop industry-leading memory management technology for the JVM. He joined SpringSource as a consultant in 2008 and moved to California a year later to lead an effort to improve Java performance on vSphere. As the tech lead on the recently announced EM4J project, he is successfully helping to make vSphere the best place to run Java.

Luke Daley is a member of the Gradleware engineering team. At Gradleware Luke works on Gradle (A JVM based build automation tool) and helps teams reach new levels of project automation and quality.

Luke is the lead of the Geb project (a productivity focussed Groovy browser automation/web testing tool) project which he created in 2010. You'll also find Luke contributing to other Open Source projects such as Grails (a Groovy web development framework), Spock (a next generation testing framework for the JVM) and anything else that catches his attention. With a “results over rhetoric” ethos, Luke's focus is on tools that empower software professionals to deliver and innovate, not try to save them from themselves.

Originally from Australia, Luke now resides in London where he spreads his time among work, software crafstmanship, musicianship and cursing the local weather.

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.

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.

Andrew Eisenberg is the lead of the Groovy-Eclipse project and also works on the Grails tooling portion of the SpringSource Tool Suite. He is also the prooject lead for the AspectJ Development Tools (AJDT) at Eclipse.org. Andrew creates IDE tools that ease the cognitive burden of creating complex programs. He will not rest and not be happy until programming is as fun and easy as playing with legos. Andrew has a PhD in Computer Science from the University of British Columbia where he researched the intersection between programming languages and tools.

Todd is a 15 year veteran of the Java development and has 4 years of professional Grails development experience. He is currently the V.P. of Engineering for VirtualTourist.com a TripAdvisor Media Group Company. In 2008, VirtualTourist.com was acquired by TripAdvisor/Expedia(EXPE), and Todd was brought in to lead a team of Java/Groovy/Grails engineers in the redevelopment effort. A graduate of the University of Arizona, with a B.S. in Computer Engineering, and an MBA from ASU with an emphasis on management of the creative software engineering process. When he is not actively writing code for his own startup ideas, you will find him entertaining his daughters or getting lost in a glass of wine, both of which usually lead to other crazy coding ideas like this one: "What would happen if I did a screencast of writing the same web application in eight different languages?" -- www.betterwebapp.com

Andrew Elmore is Head of Development at C24, a provider of financial services messaging software to many of the world's largest financial institutions. Prior to joining C24, Andrew built and managed the front & middle office systems at a Mastercard-owned credit card issuer & processor, led the development of numerous products at SmartStream Technologies and worked on a number of highly scalable systems including PitneyBowes' Portrait suite & British Telecom's call-routing software.
Andrew is a Chartered Engineer & Chartered IT Practitioner and holds a BEng in Computer Science & Electronics from the University of Edinburgh, UK.

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.

Talya Gendler is a senior software engineer for the Spring Insight team. She joined Spring Insight in November 2011, and has been at VMware since May 2009. Prior to joining Insight she led the UI team of VMware vFabric AppInsight for two years. She has over 8 years of experience and holds a BSc, Computer Science from The Technion - Israel Institute of Technology (cum laude).

Oliver Gierke is engineer at SpringSource, a division of VMware, project lead of the Spring Data JPA module and involved into other Spring Data modules (e.g. MongoDB) as well. He has been into developing enterprise applications and open source projects for over 6 years now. His working focus is centered around software architecture, Spring and persistence technologies. He is regularly speaking at German and international conferences as well as author of technology articles.

A Java veteran with over 23 years of experience in software development. Obtained M.Sc. in Computer Science from the Technion – Haifa Institute of Technology, followed a 6+ years term with the IDF involved in high-tech projects. After retiring from the army, continued in the private sector being involved in various projects and diverse technologies and architectures - e.g., telephony, VoIP, unified messaging, etc.. Has been a member of the Spring Insight team since May 2010 when he joined VMware. Initial developer of the Spring Insight bootstrap solution for Tomcat 5/6/7, JBoss 5.0/5.1/6.0, and POC for WebLogic and WebSphere, as well as developer of considerable number of Insight collection plugins

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 represented 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.

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.

John has been pushing the limits of the web since 1996 and has been totally engulfed in Javascript, HTML, and CSS since 2004. Of the 70+ enterprise-scale apps he's led, notable achievements include Ajax-ish and JSON-RPC-like browser apps way back in 1999 (US Patent 7,016,751), composable Javascript constructors for creating draggable modal dialogs in 2004, and a Javascript non-preemptive multi-tasking framework in 2007. When he's not working on his “top secret” project at VMWare or his latest side-project with his kids, John is sure to be coding tenaciously on the next generation of Javascript libraries at http://cujojs.github.com.

More about John: http://unscriptable.com/

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.

Chris Harris is a European Solution Architect at 10gen. Prior to 10gen, Chris was EMEA Architect at SpringSource responsible for evangelising vFabric products and defining architectural solutions for customers across EMEA. With the acquisition of SpringSource by VMware, Chris focused on how virtualization and cloud computing can be used to address the complexity within the Enterprise. Before joining SpringSource, Chris spent his time at RedHat/JBoss providing consultancy to major clients across EMEA.

Derek Henninger is the director of R&D for the SpringSource tools, including STS, Roo, and WaveMaker. Derek joined VMware through the acquisition of WaveMaker Software. At WaveMaker Derek led the development and definition of the WaveMaker Studio development product. Derek has over 20 years of experience in development tools, including Progress Software, Persistence Software, and Metaphor.

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.

Brian is the Chief Architect for Avantia, Inc., a custom solutions firm that specializes in Spring and open source solutions for enterprises. Brian has more than 7 years of experience designing and developing enterprise Spring solutions, and has been a Spring and Grails advocate for both Fortune 500 companies and SMB organizations. Brian is also actively involved in the Spring, Grails, and vFabric communities.

Mark Johnson is a Staff System Engineer at VMware where he focuses on helping people learn more about SpringSource technologies and they can aid enterprise applications.

Mark has worked on a wide range of technology during his career. Most recently he has focused on Groovy, Grails, and Scala as technologies which enable high quality applications quickly.

Mark is active in the software community as the President of the New England Java Users Group (NEJUG) and a regular presenter to user groups and various conferenes. When not working, Mark can be found riding his mountain bike on local trails and playing with his family

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.

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.

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.

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.

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.

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.

Martin leads the team of the SpringSource Tool Suite and the Spring IDE and works together with the tools team on providing the best developer tools out there for Spring and Cloud Foundry. Before joining SpringSource/VMware, Martin founded (together with colleagues) it-agile, a leading consulting and development company focused on agile software development, and worked many years as consultant and coach for agile software development and flexible and modularized architectures. He is author of papers, articles, and books on various topics including agile software development, Eclipse technology and refactoring techniques.

Ken is a software engineer for the IEEE based in the NYC metro area. He leads the development of several websites for IEEE Spectrum (http://spectrum.ieee.org).

Ken has been working with Groovy and Grails exclusively for the past two years and has over 15 years of experience building large Java-based applications in many diverse industries including publishing, pharma, automotive, telecom, and travel. Ken holds a BS in Computer Engineering from Virginia Tech.

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.

Wayne has over 20 years of experience creating, developing, and deploying enterprise architectures systems for some of the largest organizations in finance, telecom, products and government.

Wayne is a senior technology manager within Accenture and a member of the Innovation and Architecture / Custom Solutions Architecture practice. In this capacity, he has been involved in the implementation of many enterprise applications including case management, customer service, web commerce, point of sale, call center, transportation operations and government programs. He is experienced in product development life cycle, bringing a solution from concept to production and operation.

Wayne's career over the past 8 years has had special emphasis on J2EE architectures with WebSphere/WebLogic focused on configuration, deployment, and performance. Wayne has had a history with object databases and has been a strong advocate for ORM solutions including TopLink and Hibernate. He's been a speaker at JBOSS World 2005 and in many internal Accenture architecture workshops.

Most recently, Wayne has been involved with a global architecture team involved with re-defining Java architecture based on open source and Spring's lightweight frameworks. One of the most interesting of those frameworks has been the introduction of a Spring based Java Batch framework based on years of experience with large, high performing batch solutions.

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.

Data Scientist @ http://ConcurrentInc.com. Developer Evangelist for http://Cascading.org open source project. Expert in Hadoop, R, cloud computing, machine learning, predictive analytics, NLP. BS MathSci and CS CompSci from Stanford, 25+ yrs in tech industry. For the past several years, I've been leading Data Science teams, working with large scale MapReduce applications.

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.

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.

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.

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.

Gary has been in software engineering, concentrating on Enterprise Integration, for over 30 years on various platforms, and in the Java space since the late '90s.

He has been developing with the Spring Framework since 2004 and joined SpringSource/VMware in 2009 in a consulting role. From 2009 until the end of 2011 he taught Core Spring and Enterprise Integration with Spring to several hundred developers, as well as providing Enterprise Integration consulting services with Spring Integration, Spring Batch and Core Spring.

He has been a committer on the Spring Integration project for nearly 3 years and became a full time member of the engineering team in January 2012.

Brian Saville spent the majority of his life pretending he did not want to be a software engineer. After a BS in Computer Engineering and a MS in IT, he found that he just wanted to write applications. He has spent several years scripting and writing web applications as a system administrator and web developer, but has most enjoyed working with web frameworks such as Grails. After being introduced to the project a year and a half ago, Brian has become an active member of the Grails community, writing several plugins and frequenting the mailing lists. He is currently the lead engineer for a major API integration application written in Grails at Adaptive Computing.

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.

Mark is the owner of Perfect World Programming a training and consulting company. 99% of Mark's work is done through SpringSource teaching Spring's Core Spring, Spring with Hibernate and Enterprise Integration with Spring.

Mark has over 20 years software development for many businesses and industries specializing in middle tier and backend development. As a former DBA and Architect Mark focuses on data driven applications that are both performant and robust.

Mark can also be found at www.javaranch.com answering questions in the Spring Framework forum. He was also part of the SCJP 5.0 exam creation team and technical editor for a few books.

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.

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).

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.

Guillermo is an award-winning Enterprise Architecture practitioner with 17+ years of progressive experience in different industries. As a Regional Senior Systems Engineer for VMware's Cloud Application Platform division, Guillermo works with customers to understand their business needs and challenges and helps them seize new opportunities by leveraging vFabric to modernize their IT architecture. Guillermo is passionate about his family, business, technology and soccer.

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 28 patents in computer-related technologies.

David Turanski is a Senior Software Engineer with SpringSource, a division of VMWare. David is a member of the Spring Data team and lead of the Spring Data GemFire project. He is also a committer on the Spring Integration project. David has extensive experience as a developer, architect and consultant serving a variety of industries. In addition he has trained hundreds of developers how to use the Spring Framework effectively.

Ryan is Chief Architect and Director of Products at ReachForce and formerly Lead Architect at
Developerprogram.com.

ReachForce provides B2B marketers with cloud-based software and services to accelerate lead conversions from inbound, outbound, and database marketing initiatives

Ryan is currently building a Grails infrastructure for ReachForce as well as teaching Grails to the developer team.

In the past Ryan has he has architected a Grails solution for Developerprogram.com that allows rapid deployment of Developer Program portals for all kinds of companies, specializing in the mobile industry. He has also done Java and Linux based webcasting for events such as
SXSW, built telecom software, and ASP's for the financial sector.

Vaughn Vernon is a veteran software craftsman with more than 25 years of experience, currently working as an independent consultant. Vaughn is a DDD and distributed systems practitioner, and the author of the book "Implementing Domain-Driven Design" published in 2012 by Addison-Wesley.

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.

Rob Winch is currently a Senior Software Engineer at VMware and is the project lead of the Spring Security framework. In the past he has worked as a Software Architect at Cerner, the largest provider of electronic medical systems in the US, securing health care applications. Throughout his career he has developed hands on experience integrating Spring Security with an array of security standards (i.e. LDAP, SAML, CAS, OAuth, etc). Before his focus was security he worked as an independent web contractor, in proteomics research at Loyola University Chicago, and on the Globus Toolkit at Argonne National Laboratory. His interests include web security and identity management, high performance computing, and ALM tooling. When he is not sitting in front of a computer he enjoys participating in a variety of intramural sports and playing guitar.

David Winterfeldt works at VMware on the VMware vFabric Application Director project. It enables developers and organizations to deploy applications to the cloud by having a logical abstraction for software services and application topologies. This allows an application to be easily deployed multiple times to different environments.

David has been doing software development for over 20 years. He's been using Java since 1998 and involved in using Open Source almost as long. 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. The site is a general resource for Spring and should ultimately save developers time. He's is also an Apache committer on Struts and Commons Validator, as well as the creator of Commons Validator (although currently no longer active on either).