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.

Alex Miller is a Sr. Engineer with Terracotta Inc, the makers of the open-source Java clustering product Terracotta. Prior to Terracotta, Alex worked at BEA Systems on the AquaLogic product line and was Chief Architect at MetaMatrix. His interests include Java, concurrency, distributed systems, query languages, and software design. Alex enjoys writing his blog at http://tech.puredanger.com and has spoken at a number of Java user group meetings and conferences.

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 a partner in Zepheira, LLC, a new services company focused on using semantic-oriented technologies to solve architectural and data integration problems not handled by conventional tools and techniques.

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

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 JavaOne and JavaPolis. David has taught at Java University and was twice voted a JavaOne rock star, for presentations in 2005 and 2007.

Jeff Brown is the Director Of North American Operations for G2One and 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.

John D. Heintz is a Principal Consultant with New Aspects of Software where he is responsible for finding clean solutions to complex business and technology problems.

In 12 years of professional work John has built many component and distributed systems, led agile teams, and mentored /trained on many technologies. John has deep experience with high-leverage technologies like Spring, JPA, Ruby, AOP, AJAX, REST/HTTP, and SOA systems.

Ken Sipe is a Technology Director with Perficient, Inc. (PRFT), IBM's largest service partner, where he leads multiple teams in the development of solutions in the SOA, Web 2.0 and portal domains, on both the Java and .Net platforms.

Ken was the founder of CodeMentor, where he was the Chief Architect and Mentor, leading clients in the execution of RUP and Agile methodologies in the delivery of software solutions. He is a former trainer for Rational in OOAD and RUP, and a CORBA Visibroker trainer for Borland. He continues to enjoy providing training and mentoring in all aspects of software development.

Ken has a deep need to be highly diversified. Ken often works with IT executives on high-level strategic roadmaps, currently geared around service oriented architectures (SOA). Ken also likes to keep his hands "dirty" in the code, which has him on a regular basis, pairing or otherwise producing code. Ken is regularly requested by clients that know him to "rescue" projects, either through the streamlining of processes or the rapid production of code.

Ken is a certified JBoss developer and is a frequent participates on open source projects. Ken is currently interested in the growing maturity of SOA solutions in the open source space, such as the ESB solutions like ServiceMix and Mule, or rules engines such as JBossRules.

Mark Richards is an SOA and Enterprise Architect involved in the architecture and design of large-scale Service Oriented Architectures in J2EE and other technologies, primarily in the financial services industry. He has been involved in the software industry since 1984, and has significant experience and expertise in J2EE architecture and development, Object-oriented design and development, and systems integration. Mark served as the President of the Boston Java User Group in 1997 and 1998, and the President of the New England Java Users Group from 1999 thru 2003. He is the author of "Java Transaction Design Strategies", contributing author of "NFJS Anthology Volume 1", contributing author of "NFJS Anthology Volume 2", and contributing author of the Java Coding Standards book produced by the Nejug. Mark is an IBM Certified Application Architect, Certified Master IT Architect (TOG), Sun Certified J2EE Business Component Developer, a Sun Certified J2EE Enterprise Architect, a Sun Certified Java Programmer, a BEA WebLogic Certified Developer, a Certified Java Instructor, and holds a Master's Degree in Computer Science from Boston University. He is a regular conference speaker at the No Fluff Just Stuff Symposium Series and speaks at conferences and user groups around the country. When he is not working Mark can usually be found hiking with his wife and two daughters in the White Mountains or along the Appalachian Trail.

Mark Volkmann has been a software consultant for Object Computing, Inc. (OCI) in St. Louis since 1996. He has been developing software in Java since 1995.

Mark has created and teaches many courses in Java, XML and Ruby. They include: Introduction to Java, Java Syntax for Non-C Programmers, Java Programming, Advanced Java Programming, Creating Graphical User Interfaces Using Java (Swing), eXtensible Markup Language (XML), XML Programming Using Java and Web Services Using Java, and Ruby Programming.

Mark is a member of the St. Louis Java User Group steering committee and a regular presenter for that group. He has written for XML Journal. Mark has also presented at XML DevCon conferences, No Fluff Just Stuff Java symposiums
and the St. Louis Ruby User Group.

Michael strives to raise the bar and ease the pain for developers across the country. He shares his passion and energy for improvement with everyone he meets, sometimes even with their permission. Michael has spent the better part of 20 years learning what it means to be a professional programmer who cares about art, quality, and craft. He's always ready to spend time with other developers who are fully engaged and devoted to their work--the "wide awake" developers. On the flip side, he cannot abide apathy or wasted potential.

Michael has been a professional programmer and architect for nearly 20 years. During that time, he has delivered running systems to the U. S. Government, the military, banking, finance, agriculture, and retail industries. More often than not, Michael has lived with the systems he built. This experience with the real world of operations changed his views about software architecture and development forever.

He worked through the birth and infancy of a Tier 1 retail site and has often served as "roving troubleshooter" for other online businesses. These experiences give him a unique perspective on building software for high performance and high reliability in the face of an actively hostile environment.

Most recently, Michael wrote "Release It! Design and Deploy Production-Ready Software", a book that realizes many of his thoughts about building software that does more than just pass QA, it survives the real world. Michael previously wrote numerous articles and editorials, spoke at Comdex, and co-authored one of the early Java books.

Nathaniel T. Schutta is a senior software engineer in the Twin Cities area of Minnesota with extensive experience developing Java Enterprise Edition–based Web applications. He graduated from St. John’s University (MN) with a degree in Computer Science and has a master’s of science degree in software engineering from the University of Minnesota. For the last several years, he has focused on user interface design. A long-time member of the Association for Computing Machinery’s Computer-Human Interaction Special Interest Group, Nathaniel believes that if the user can’t figure out your application, then you’ve done something wrong. Along with his user interface work, Nathaniel is the cocreator of the open-source Taconite framework, has contributed to two corporate Java frameworks, has developed training material, and has led several study groups. During the brief moments of warm weather found in his home state of Minnesota, he spends as much time on the golf course as his wife will tolerate. He’s currently exploring Ruby, Rails, and (after recently making the switch) Mac OS X. Nathaniel is the coauthor of the bestselling book, Foundations of Ajax.

Richard. Monson-Haefel is the author of five best-selling editions of Enterprise JavaBeans (O'Reilly), J2EE Web Services (Addison-Wesley), and the coauthor of Java Message Service (O'Reilly). He served on the JCP Executive Committee, which oversees the JSRs (specifications) developed for the J2SE and J2EE platforms. He also served on the Groovy (JSR-241), J2EE 1.4 (JSR-151), EJB 2.1 (JSR-153) and EJB 3.0 (JSR 220) expert groups for the Java Community Process. Richard was a founder of the Apache J2EE Application Server Project (Geronimo) and the OpenEJB project - an open source EJB container. Richard was a Sr. Analyst for Burton Group covering open source, Java EE, RIA/Ajax, mobile development, and other topics for 4 years. Today, Richard is the Vice President of Developer Relations at Curl, Inc.

Ted Neward is an independent consultant specializing 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. He has written several widely-recognized books in both the Java and .NET space, including the recently-released "Effective Enterprise Java". He lives in the Pacific Northwest with his wife, two sons, four video-game consoles, thousands of books (on programming and otherwise), and eight PCs.

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).