Speakers

Matthew Bass is an independent software developer, entrepreneur, speaker, and writer. He has over ten years of experience across a diverse set of technologies and has worked at places like SAS Institute, the world's largest privately held software company. An agilist from the very beginning, he continues evangelizing and experimenting with pair programming, test-first and behavior-driven development, and continuous integration. Matthew has spoken at several regional and national software conferences and regularly writes for publications like InfoQ.

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.

Stevie has almost 15 years of software development experience, much of it in the healthcare industry. For the past 7 years she’s combined her development experience with agile coaching. She often works side-by-side next to members of the teams she coaches, including business users, testers, and developers. She has the unique ability to speak the language of business owners as well the technical language of developers. Her passion for mentoring teams toward agile adoption enables her to lead teams to understand and often exceed customer expectations. Stevie is a Certified Scrum Master, and her interests include Java UI development, automated testing, and always looking to how a team can improve their processes.

In her spare time she enjoys spending time with her husband and two young children as well as competing in triathlons.

John Carnell is the manager of Platform Engineering for Thrivent Financial, a Fortune 500 financial services company. In addition, John is a prolific speaker and writer. He has spoken at national conferences, such as Internet Expo, the Data Warehousing Institute, and numerous No Fluff Just Stuff Software Symposiums.

John has authored, coauthored, and been a technical reviewer for a number of technical books and industry publications. His latest book, Pro Apache Struts with Ajax, was published in late 2006.

Tim Dalton was been developing with Java for recreation and professionally since 1997. Before coming to Object Computing, Tim worked for May Department Stores, MasterCard, and A.G. Edwards. Moving from a Systems Administrator position to C developer and then to Java development in the process.

Tim is interested in trends in software development and it always looking for the next "bronze bullet". Tim contributes to the software development community via his blog, http://compulsiontocode.blogspot.com, teaching for OCI, and presenting at the St. Lous Java User Group.

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.

Scott teaches public and private classes on Groovy and Grails for start-ups and Fortune 100 companies. He is a regular presenter on the international technical conference circuit (including No Fluff Just Stuff). In 2008, Scott was voted the top Rock Star at JavaOne for his talk "Groovy, the Red Pill: How to blow the mind of a buttoned-down Java developer".

Keith Donald is a principal and founding partner at SpringSource, the company behind Spring. He is best known in the Spring community for creating Spring Web Flow. At SpringSource, Keith is the lead of the Web Products Team. His team, based in Melbourne, Florida, sustains the development of Spring Web MVC and Web Flow and their associated integrations, and is also responsible for future innovations in the domain of web frameworks.

Since the first Spring Experience in 2005, Keith, with Jay Zimmerman of NoFluffJustStuff Software Symposiums, has served as director of the popular conference series.

Keith is also the principal architect behind SpringSource's state-of-the-art training curriculum, which has provided practical training on Spring to over 3000 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, and retail. He is particularly adept at translating business requirements into technical solutions.

Keith's blog can be found at http://blog.springsource.com/main/author/keithd

Robert Fischer is a multi-language open source developer currently specializing in Groovy in Grails. In the past, his specialties have been in Perl, Java, Ruby, and OCaml. In the future, his specialty will probably be F# or (preferably) a functional JVM language like Scala or Clojure.

Robert is the author of Grails Persistence in GORM and GSQL, a regular contributor to GroovyMag and JSMag, the founder of the JConch Java concurrency library, and the author/maintainer of Liquibase-DSL and the Autobase database migration plugin for Grails.

Mark Fisher is a Senior Software Engineer with SpringSource and lead of the Spring Integration project. As a core developer for the Spring Framework, he played a central role in developing the annotation-based configuration features of Spring 2.5. He has also provided consulting and training services for clients across numerous industries throughout North America including several fortune 500 companies.

In addition to the "No Fluff, Just Stuff" symposium tour, Mark speaks regularly at conferences such as The Spring Experience and SpringOne. He has also presented at Java User Groups throughout the United States on various Spring-related topics.

Neal is Software Architect and Meme Wrangler at ThoughtWorks, a global IT consultancy with an exclusive focus on end-to-end software development and delivery.
Before joining ThoughtWorks, Neal was the Chief Technology Officer at The DSW Group, Ltd., a nationally recognized training and development firm. Neal has a degree in Computer Science from Georgia State University specializing in languages and compilers and a minor in mathematics specializing in statistical analysis.
He is also the designer and developer of applications, instructional materials, magazine articles, video presentations, and author of 6 books, including the most recent The Productive Programmer. His language proficiencies include Java, C#/.NET, Ruby, Groovy, functional languages, Scheme, Object Pascal, C++, and C. His primary consulting focus is the design and construction of large-scale enterprise applications. Neal has taught on-site classes nationally and internationally to all phases of the military and to many Fortune 500 companies. He is also an internationally acclaimed speaker, having spoken at over 100 developer conferences worldwide, delivering more than 600 talks. If you have an insatiable curiosity about Neal, visit his web site at http://www.nealford.com. He welcomes feedback and can be reached at nford@thoughtworks.com.

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.

Andrew is the founder of the easyb BDD framework and the co-author of Addison Wesley's "Continuous Integration", Manning's "Groovy in Action" and "Java Testing Patterns". He is an author for multiple online publications including IBM's developerWorks and Oreilly's ONJava and ONLamp portals. He actively blogs about software at thediscoblog.com.

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.

Stuart Halloway is the CEO of Relevance, Inc. (www.thinkrelevance.com). With co-founder Justin Gehtland, Stuart helps companies adopt agile, as well as innovative technologies such as Clojure and Ruby on Rails. Stuart is the author of Programming Clojure, Rails for Java Developers, and 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.

Jason Harwig full-time job is a senior software engineer at Near Infinity Corporation, an enterprise software development and consulting services company headquartered in Reston, Virginia. In his spare time he runs Pine Point Software LLC, writing Mac OS X applications in Cocoa/Objective-C.

His interests include Cocoa, JavaScript, OpenGL and user-interface design.

Agile/Kanban coach, REST architect, software craftsman

John D. Heintz is a husband, father, developer, Agilist, entrepreneur. After studying electrons in college, John's intuition led him to pursue software, and he's been a digital craftsmen since. Always seeking solutions with higher leverage and deeper simplicity has led John to important methods and tools. John's approach to building systems and teams started with leading his first Scrum team in 1999, included XP and TDD, and now Agile and Lean methods are part of his daily work and consulting. John has built single-source hyperdocument SGML publishing systems, a version control CORBA/Python CMS, an AspectJ dependency acquisition framework, added test automation to many Java and .NET systems, coached a 100-person Agile/Lean game studio, and built RESTful Web integration systems. John has launched his own company, Gist Labs, to further his focus on essential innovation.

David has been creating software for more than 15 years in a variety of domains: digital audio, digital biometrics, medical, financial, retail, legal, and education to name a few. For the past 8 years, David has mentored and coached agile teams in the U.S., Canada, Europe, India, Egypt, Russia, and Ukraine. Along with presenting and leading workshops / tutorials at conferences in the U.S. and Europe, David has contributed to several books (Managing Agile Projects and Agile in the Large), and worked on agile curriculum for The University of Minnesota and Capella University. David is currently writing a book for the Pragmatic Programmer series.

David leads DevJam, a Minneapolis based company composed of agile collaborators. As mentors and practitioners, DevJam focuses on using agile to help people and companies improve their software production skills. DevJam provides seasoned leaders that strive to pragmatically match technology, people, and processes in a way which produces software that makes people happier and more productive.

For more information, check out the DevJam website www.devjam.com

Mark Johnson is Director of Consulting at CGI where he focuses on raising the development bar so projects are brought in on time and under budget. Most important of all the project needs to be delivered to the customer's satisfaction.

Mark has worked on a wide range of technology during his career. Most recently he has focused on Groovy, Grails, and Seam 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). When not working, Mark can be found riding his mountain bike on local trails and playing with his family.

Scott is Chief Architect at Near Infinity Corporation, an enterprise software development, training, and consulting services company based in Reston, Virginia. He has been developing enterprise and web applications for 14 years professionally, and has developed applications using Java, Ruby/Rails, Groovy/Grails and Python. His main areas of interest include object-oriented design, system architecture, testing, and frameworks of all types including Spring, Hibernate, Ruby on Rails, Grails, and Django. In addition, Scott enjoys learning new languages to make himself a better and more well-rounded developer a la The Pragmatic Programmers' advice to "learn one language per year."

Scott holds a B.S. in Engineering Science and Mechanics from Virginia Tech, and an M. Eng. in Systems Engineering from the University of Maryland. Scott speaks at the No Fluff Just Stuff Symposiums and various other conferences. In his (sparse) spare time, Scott enjoys spending time with his wife, two daughters, and two cats. He also tries to find time to play soccer, go snowboarding, and mountain bike whenever he can.

Tiffany Lentz is a Senior Consultant and Project Manager with ThoughtWorks, a global IT services firm focused on end-to-end software delivery. She has worked extensively for large clients in the US, Canada, and China, delivering solutions for both disparate system delivery projects and agile enablement and organizational transformation efforts to incorporate and enhance efficiency and delivery processes. She is an author, mentor, coach and trainer of agile methodologies, processes, and practices. Tiffany is the author of Iteration Management Chapter in the ThoughtWorks anthology book and believes that the Iteration Manager’s job is to build a well-oil delivery machine.

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.

Kito D. Mann is editor-in-chief of JSF Central and the author of JavaServer Faces in Action (Manning). He is a member of several Java Community Process expert groups (including JSF and Portlets), and an internationally recognized speaker. Kito is also the Principal Consultant at Virtua specializing in enterprise application architecture, training, development, mentoring, and JSF product strategy. He holds a BA in Computer Science from Johns Hopkins University.

Tom Marrs is a Principal Architect with CIBER, where he specializes in Service-Oriented Architecture (SOA), JavaEE, Open Source, and AJAX/Web 2.0. He designs and implements mission-critical business applications using the latest technologies, leads technical teams, and trains and mentors other developers.

Tom is the co-author of JBoss At Work: A Practical Guide (O?Reilly, 10/2005), speaks regularly at software conferences, and reviews best-selling technical books for major publishers. An active participant in the local technical community, Tom founded the Denver Open Source Users Group (http://www.denveropensource.org) and has served as President of the Denver Java Users Group (http://www.denverjug.org).

Matthew McCullough is an energetic 12 year veteran of enterprise software development, open source education, and co-founder of Ambient Ideas, LLC, a Denver consultancy.

Matthew currently is a member of the JCP, reviewer for technology publishers including O'Reilly, author of the DZone Maven RefCard, and President of the Denver Open Source Users Group.

His experience includes successful J2EE, SOA, and Web Service implementations for real estate, financial management, and telecommunications firms, and several published open source libraries.

Matthew jumps at opportunities to evangelize and educate teams on the benefits of open source. His current focuses are Cloud Computing, Maven, iPhone, Distributed Version Control, and OSS Tools.

Matthew resides in Denver with his beautiful wife and baby daughter, who all are active in nearly every outdoor activity Colorado offers.

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.

In St. Louis, Alex is responsible for founding the Lambda Lounge, a user group for the study of functional and dynamic languages.

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 the forthcoming "Professional F#". He lives in the Pacific Northwest.

Joseph Faisal Nusairat, author of "Beginning JBoss Seam" and co-author "Beginning Groovy & Grails", is a Java developer who has been working full time in the Columbus Ohio area since 1998, primarily focused on Java development. His career has taken him into a variety of Fortune 500 industries including military applications, data centers, banking, internet security, pharmaceuticals, and insurance. Joseph is particularly fond of open source projects and tries to use as much open source software as possible when working with clients. Joseph is a graduate of Ohio University with dual degrees in Computer Science and Microbiology with a minor in Chemistry. Currently, Joseph works as a Senior Partner at Integrallis Software (www.integrallis.com).

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.

Pratik Patel wrote the first book on 'enterprise Java' in 1996, "Java Database Programming with JDBC." He has also spoken at various conferences such as the Net Database Summit, WWW7 and the Atlanta Java User's Group (AJUG).

Pratik's specialty is in large-scale Java applications for mission-critical use. He has designed and built enterprise applications in the retail, health care, financial services, and telecoms sectors. Pratik holds a master's in Biomedical Engineering from UNC, has worked in places such as New York, London, and Hong Kong, and currently lives in Atlanta, GA.

Srini Penchikala currently works as an Enterprise Architect at a major financial organization in Metropolitan Detroit area. He has over 14 years of IT experience and has been working on Java projects since 1996 and J2EE technology since 2000. His main areas of interest are Agile Enterprise and Service Oriented Architectures, Domain Driven Design & Development In Practice, Aspect-Oriented Programming (AOP), Architecture Rules Enforcement, Enterprise Integration Patterns, and light-weight middleware frameworks such as Spring and Hibernate. He has presented at conferences and Java User Groups on topics like Agile Enterprise Architectures, Architecture Governance, and Domain-Driven Design. He has published numerous articles on J2EE topics on websites like InfoQ.com, ServerSide.com, O'Reilly Java Network (ONJava), DevX Java, java.net and JavaWorld. Srini also publishes a blog on Java, JEE, and other topics at http://srinip2007.blogspot.com/. He is also a leader of Detroit Java User Group (http://sites.google.com/site/detroitjug/).

Mark Richards is a Director and Sr. Solutions Architect at Collaborative Consulting, LLC, a Boston-based Business and Architecture Consulting Firm, where he is involved in the architecture, design, and implementation of SOA, messaging, and other architectures, primarily in the Java platform. Prior to joining Collaborative Mark was an Executive IT Architect with IBM, where he worked as an SOA and enterprise architect in the financial services area. He has been involved in the software industry since 1984 and has many battle scars to show for it. 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. Mark is the author of the new book "Java Message Service (2nd edition)" from O'Reilly. He is also the author of "Java Transaction Design Strategies", contributing author of the new book "97 Things Every Software Architect Should Know" from O'Reilly, contributing author of "NFJS Anthology Volume 1", and contributing author of "NFJS Anthology Volume 2". Mark has many architect and developer certifications, including those from IBM, Sun, The Open Group, and Oracle. He is a regular conference speaker at the No Fluff Just Stuff Symposium Series and speaks at other conferences and user groups around the world. 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.

Jared Richardson, co-author of Ship It! A Practical Guide to Successful
Software Projects, is a speaker, consultant, and mentor with NFJS One. Jared has been in the industry for more than fifteen years as a consultant, developer, tester, and manager.

Jared can be found online at Agile Artisans.

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".

Sri Sankaran has been professionally developing software for over 15 years. During this time, he has designed and delivered solutions for clients in industries as varied as insurance, energy, telecom and the retail sector. Leveraging the breadth of this experience along with the depth of his knowledge of pertinent technologies such as Spring, Hibernate, Ajax, Java and Ruby on Rails allows him to choose the right combination of tools and techniques to solve his cusomers divergent needs.

Over years as a consultant he has has been relied upon as the go-to person for matters of application architecture. Project managers look to his leadership and guidance in project estimation, staffing and delivery.

When he is not working on software he spends time with his family of wife, daughter and dog. Oh, he is a rabid dog lover and would love to one day have a pack of dogs and raise them to be well balanced therapy animals.

Nathaniel T. Schutta is a senior software engineer focussed on making usable applications. A proponent of polyglot programming, Nate has written two books on Ajax and speaks regularly at various No Fluff Just Stuff symposia, universities, and Java user groups. In addition to his day job, Nate is an adjunct professor at the University of Minnesota where he teaches students to embrace dynamic languages.

Ryan Shriver is a Managing Consultant with Dominion Digital, a Virginia-based Business & Technology Consulting firm where he's a leader in their Agile practice (dominiondigital.com/agile). He helps organizations and teams transition to Agile ways of thinking about solving problems, ranging from new product lines to operational performance improvements. Ryan's solutions typically use some combination of people, process and technology to deliver measurable results.

With a deep background in software architecture and enterprise Java, Ryan understands the challenges and issues facing development teams to deliver predictable results. His approach to getting senior leaders to define measurable objectives and priorities for their organizations, projects and development teams helps bring focus to the highest priority initiatives. Using agile methods like Scrum, Ryan helps teams iteratively deliver value quickly to the business...often in a matter of weeks.

Ryan's experiences with diverse companies and teams are the basis for his presentations on Agile subjects.

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.
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.

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 the online games, 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. He is a Senior Platform Engineer for Riot Games in Culver City, CA working on League of Legends. He focuses on web architecture, resource-oriented computing, the Semantic Web, scalable systems, security consulting and other technologies of the late 20th and early 21st Centuries.

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).

Burr Sutter is a current Sun Java Champion, President of the Atlanta Java Users Group and President of the Atlanta Chapter of the
International Association of Software Architects. He has over 15 years of software design and development experience along with numerous published articles, book chapters and developer conference speaking engagements. He is presently employed at JBoss, a division of Red Hat.

Shashank Tiwari is the Chief Technologist at Saven Technologies (http://www.saventech.com), a technology driven business solutions company headquartered in Chicago, IL. As an experienced software developer and architect, he is adept in a multitude of technologies. He is an expert group member on a number of JCP (Java Community Process) specifications, JSRs 274, 283, 299, 301 & 312, and is an Adobe Flex Champion. Currently, he passionately builds rich high performance applications and advises many on RIA and SOA adoption. Many of his clients are banking, money management, and financial service companies that he has helped build robust, quantitative, data-intensive, highly interactive, and scalable high performance applications. He writes regularly in many technical magazines, presents in seminars and mentors developers and architects. His book on Advanced Flex3 is due for release later this year. He is an ardent supporter of and contributor to open source software. He lives with his wife and two sons in New York. More information about him can be accessed at his website (http://www.shanky.org).

Vladimir Vivien is a software engineer living in the United States. Past and current experiences include development in Java and C#.Net for industries including publishing, financial, and healthcare. Vladimir enjoys taking part in open source projects. He is a contributor on Groovy project (he is the creator of JmxBuilder) and author of other project such as JmxLogger (http://code.google.com/p/jmx-logger/). Vladimir runs the Tampa Java User Group (Tampa, FL).

He has a wide range of technology interests including Java, OSGi, Groovy/Grails, JavaFX, SunSPOT, BugLabs, and anything else that runs on the JVM. He thinks the future direction of the Java platform is hidden in languages such as Groovy and Scala.

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.

Craig Walls has been professionally developing software for over 15 years (and longer than that for the pure geekiness of it). He is the author of Modular Java (published by Pragmatic Bookshelf) and Spring in Action and XDoclet in Action (both published by Manning).

When he's not slinging code, Craig spends as much time as he can with his wife, two daughters, 6 birds, and 2 dogs.