Charlton Barreto, Ph.D., has developed enterprise product architectures for Lawrence Livermore National Labs, UnifAce, Illustra/Informix, Visigenic/Borland, webMethods and Adobe, and has done related work in OASIS, W3C, the Java Community Process, OMG, and the IEEE. Charlton gained a Ph.D. from Columbia University. As a Senior Computer Scientist and Architect at Adobe, he concentrates on LiveCycle, Adobe’s Service Oriented Architecture (SOA) platform. LiveCycle He is a co-author of the WS-BPEL, WS-Choreography, WSDL 2 and Java Enterprise Edition, and has been a contributor to the SOA Reference Model, WS-Transaction, WS-ReliableMessaging, and WS-Policy specifications. He writes and presents regularly on Web and SOA technologies.