David Bock is a Principal Consultant at CodeSherpas, a company he founded in 2007. Mr. Bock is also the President of the Northern Virginia Java Users Group, the Editor of O'Reilly's OnJava.com website, and a frequent speaker on technology in venues such as the No Fluff Just Stuff Software Symposiums.

In January 2006, Mr. Bock was honored by being awarded the title of Java Champion by a panel of esteemed leaders in the Java Community in a program sponsored by Sun. There are approximately 100 active Java Champions worldwide.

David has also served on several JCP panels, including the Specification of the Java 6 Platform and the upcoming Java Module System.

In addition to his public speaking and training activities, Mr. Bock actively consults as a software engineer, project manager, and team mentor for commercial and government clients.

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.

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.

David Geary is the president of Clarity Training, Inc. (corewebdevelopment.com), where he teaches developers to implement web applications using JavaServer Faces (JSF) and the Google Web Toolkit (GWT).

A prominent author, speaker, and consultant, David holds a unique qualification as a Java expert: He wrote the best-selling books on both Java component frameworks: Swing and JavaServer Faces. David's Graphic Java Swing was the best-selling Swing book, and is one of the best-selling Java books of all-time, and Core JSF, which David wrote with Cay Horstman, is the best-selling book on JavaServer Faces.

David was one of a handful of experts on the JSF 1.0 Expert Group (EG) that actively defined the standard Java-based web application framework, and David is currently on the JSF 2 Expert Group, helping to vastly improve JSF in version 2.

Besides serving on the JSF and JSTL Expert Groups, David has contributed to open-source projects and he has written questions for two of Sun's Certification Exams: Web Developer Certification and JavaServer Faces Certification. He invented the Struts Template library which was the precursor to Tiles, a popular framework for composing web pages from JSP fragments, was the 2nd Struts committer and contributed to the Apache Shale project.

David has spoken at more than 100 NFJS symposiums since 2003, and he also speaks at other conferences such as TheServerSide Java Symposium, JavaOne, JavaPolis, and JAOO. David has taught at Java University for the past three years, and is a three-time JavaOne rock star.

Jeff Genender is a Java Champion, Apache Member, and Java Open Source consultant specializing in SOA and enterprise service implementation. Jeff has over 23 years of software architecture, team lead, and development experience in multiple industries. He is a frequent speaker at such events as TheServerSide Symposium, JavaZone, Java In Action, JavaOne, JFokus, and numerous Java User Groups on topics pertaining to Enterprise Service Bus (ESBs), Service Oriented Architectures (SOA), and application servers.

Jeff is an active committer and Project Management Committee (PMC) member for Apache ServiceMix, CXF, Geronimo, a comitter on OpenEJB and Mina, and author of several very popular Mojo (Maven plugins). He is the author of Enterprise Java Servlets (Addison Wesley Longman, 2001), co – author of Professional Apache Geronimo (2006, Wiley), and co-author of Professional Apache Tomcat (2007, Wiley). Jeff also serves as a member of the Java Community Process (JCP) expert group for JSR-342 (Java Platform, Enterprise Edition 7 (Java EE 7) Specification) as a representative of the Apache Software Foundation.

Jeff is an open source evangelist and has successfully brought open source development efforts, initiatives, and success stories into a number of Global 2000 companies, saving these organizations millions in licensing costs.

Brian Goetz has been a professional software developer for 20 years. He is the author of over 75 articles on software development, and his book, Java Concurrency In Practice, was published in May 2006 by Addison-Wesley. He serves on the JCP Expert Groups for JSRs 166 (concurrency utilities), 107 (caching), and 305 (annotations for safety analysis). He is a frequent presenter at JavaOne, OOPSLA, JavaPolis, SDWest, and the No Fluff Just Stuff Software Symposium Tour. Brian is a Sr. Staff Engineer at Sun Microsystems.

Brian Sam-Bodden is an author, instructor, speaker and hacker that has spent over fifteen years crafting software systems. He holds dual bachelor degrees from Ohio Wesleyan University in computer science and physics and heads Integrallis http://www.integrallis.com. He is a frequent speaker at user groups and conferences nationally and abroad. Brian is the author of "Beginning POJOs: Spring, Hibernate, JBoss and Tapestry", co-author of the "Enterprise Java Development on a Budget: Leveraging Java Open Source Technologies" and a contributor to O'reilly's "97 Things Every Project Manager Should Know".

Brian Sletten is a liberal arts-educated software engineer with a focus on forward-leaning technologies. His experience has spanned many industries including retail, banking, online games, defense, finance, hospitality and health care. He has a B.S. in Computer Science from the College of William and Mary and lives in Auburn, CA. He focuses on web architecture, resource-oriented computing, social networking, the Semantic Web, data science, 3D graphics, visualization, scalable systems, security consulting and other technologies of the late 20th and early 21st Centuries. He is also a rabid reader, devoted foodie and has excellent taste in music. If pressed, he might tell you about his International Pop Recording career.