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 and recognized international speaker that has spent over twelve years working with object technologies, with an emphasis on the Java platform and in recent times falling in love with Ruby. He holds dual bachelor degrees from Ohio Wesleyan University in computer science and physics and is the president and chief software architect for Integrallis http://www.integrallis.com, where he focuses on building great applications with Java and Ruby. Brian has worked as an architect, developer, mentor, and trainer for several Fortune 500 companies in the tax, insurance, retail sciences, telecommunications, distribution, banking, finance, aviation, and scientific data management industries. As an independent consultant, he has promoted the use of open source in the industry by educating his clients on the cost benefits and productivity gains they can achieve. 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" and has also co-authored the Apress Java title "Enterprise Java Development on a Budget: Leveraging Java Open Source Technologies".

Brian Sletten is a liberal arts-educated software engineer with a focus on forward-leaning technologies. He has a background as a system architect, a developer, a mentor and a trainer. His experience has spanned defense, finance and commercial domains with security consulting, 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 and currently lives in Fairfax, VA. He is the President of Bosatsu Consulting, Inc., a professional services company focused on web architecture, resource-oriented computing, the Semantic Web, scalable systems, security consulting and other technologies of the late 20th and early 21st Centuries.

Chris Maki is a Principal Software Engineer at Overstock.com. Before joining Overstock.com, Chris was an independent consultant specializing in server-side Java development. He has been designing and building server-side systems for 15 years in C++, Objective-C, and Java.

Chris spent many years working as an enterprise architect specializing in large-scale Java system design and development. In addition to being a Java evangelist, he is an avid proponent of Agile Software Development.

Chris is the President of the Utah Java User Group and a member of the WebBeans expert group (JSR-299) and the JPA 2.0 expert group (JSR-317). He is also the author of JPA 101: Java Persistence Explained.

Craig Walls has been professionally developing software for over 14 years (and longer than that for the pure geekiness of it). He is the author of Spring in Action (now in its second edition) and XDoclet in Action, both published by Manning and is currently writing about OSGi and Spring-DM.

When he's not slinging code, Craig spends as much time as he can with his wife, two daughters, 6 birds, and 3 dogs.

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.

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

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 (JSF). David's Graphic Java Swing was 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 he's currently helping to define the next version of JSF on the JSF 2.0 EG.

Besides serving on the JSF and JSTL Expert Groups, David has contributed to open-source projects and co-authored Sun's Web Developer Certification Exam. 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 Shale.

A regular on the NFJS tour, David also speaks at other conferences such as TheServerSide Symposium, JavaOne and JavaPolis. David has taught at Java University and was twice voted a JavaOne rock star, for presentations in 2005 and 2007.

Jason Hunter is Principal Technologist with Mark Logic, specializing in large-scale XML content manipulation using XQuery. He's probably best known as the author of "Java Servlet Programming" (O'Reilly Media). He's also an Apache Member and as Apache's representative on the Java Community Process Executive Committee he established a landmark agreement allowing open source Java. He's publisher of Servlets.com and XQuery.com, an original contributer to Apache Tomcat (and Apache Ant committer), the creator of the JDOM open source project, a member of the expert groups responsible for Servlet, JSP, JAXP, and XQJ API development, and was recently appointed Sun Java Champion. In 2003, he received the Oracle Magazine Author of the Year award, and in both 2005 and 2006, the JavaOne Outstanding Talk award. His largest audience was 15,000 at a JavaOne conference keynote.

Jeff Brown works with Engineering and Professional Services with SpringSource and is a member of the core Groovy and Grails development teams. For over 10 years Jeff has been involved in designing and building object oriented systems.

Jeff teaches a number of Java and object oriented training courses in addition to doing consulting and mentoring work for industries including Aerospace, Financial and Medical. Areas of expertise include Java, agile web development with Groovy and Grails, distributed computing, object database systems, object oriented analysis and design and agile development.

Neal Ford is an Application Architect for ThoughtWorks. He is an architect, designer, and developer of applications, instructional materials, magazine articles, and video/DVD presentations. Neal is also the author of Developing with Delphi: Object-Oriented Techniques (Prentice Hall PTR, 1996), JBuilder 3 Unleashed (SAMS Publishing, 1999), and Art of Java Web Development (Manning, 2003). His language proficiencies include Java, C#/.NET, Ruby, Object Pascal, C++, and C. Neal’s primary consulting focus is the design and construction of large-scale enterprise applications. He is also an internationally acclaimed speaker, having spoken at over 30 developers’ conferences worldwide.

Scott Davis is an internationally recognized author and speaker. He is passionate about open source solutions and agile development. He has worked on a variety of Java platforms, from J2EE to J2SE to J2ME (sometimes all on the same project).

Scott's books include Groovy Recipes: Greasing the Wheels of Java, GIS for Web Developers: Adding Where to Your Web Applications, The Google Maps API, and JBoss At Work.

Scott is the Editor in Chief of aboutGroovy.com, a news and information website that tracks the latest developments in Groovy and Grails. He also writes a regular column for IBM DeveloperWorks -- Mastering Grails.

Scott is a frequent presenter at national conferences (such as No Fluff, Just Stuff) and local user groups. He was the president of the Denver Java Users Group in 2003 when it was voted one of the top-ten JUGs in North America. After a quick move north, he is currently active in the leadership of the Boulder Java Users Group. Keep up with him at http://www.davisworld.org.

Stuart Halloway is the CEO of Relevance, Inc. (www.thinkrelevance.com). With co-founder Justin Gehtland, Stuart helps enterprises adopt emerging best practices such as Ruby on Rails. Justin and Stuart founded the Streamlined Framework (www.streamlinedframework.org), and authored Rails for Java Developers. Stuart is also the author of Component Development for the Java Platform. Prior to founding Relevance, Stuart was the Chief Architect at Near-Time, and the Chief Technical Officer at DevelopMentor.

Ted Neward is a Principal Consultant with ThoughtWorks, an international consulting firm, where he specializes in high-scale enterprise systems, working with clients ranging in size from Fortune 500 corporations to small 20-person shops. He speaks on the conference circuit, including the No Fluff Just Stuff Symposium tour, discussing Java, .NET and XML service technologies, focusing on Java-.NET interoperability, programming languages, and virtual machine technologies. He has written several widely-recognized books in both the Java and .NET space, including the recently-released "Effective Enterprise Java" and "F# in a Nutshell". He lives in the Pacific Northwest.

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. He is author of ".NET Gotchas" (O'Reilly), coauthor of 2007 Jolt Productivity Award winning "Practices of an Agile Developer" (Pragmatic Bookshelf), and author of "Programming Groovy: Dynamic Productivity for the Java Developer" (Pragmatic Bookshelf).