David Salter is an enterprise software developer and architect who has been developing software professionally since 1991. His relationship with Java goes right back to the beginning, using Java 1.0 for writing desktop applications and applets for interactive websites. He has been developing enterprise Java applications using both Java EE (and J2EE) and open source solutions since 2001. He wrote the book, Seam 2.x Web Development, Packt Publishing, and co-authored the book, Building SOA-Based Composite Application Using NetBeans IDE 6, Packt Publishing. Rhawi Dantas is a software engineer from Recife, Brazil, with several years of Java development expertise, focused mainly on server-side development. He has a Bachelor's degree in Information Systems and is currently doing his Masters in Software Systems from Tampere University of Technology. He is also certified as SCJP, SCWCD, and SCSNI.