Thomas Erl is the world's top-selling SOA author, Series Editor of the Prentice Hall Service-Oriented Computing Series from Thomas Erl, Editor of SOA Magazine, and member of several OASIS technical committees driving SOA standards. Dr. Mark Little, Red Hat's Technical Director for SOA Platform Strategy and Director of Standards, leads Red Hat's ESB and transaction groups. He is active in several web services standards initiatives. Dr. Arnaud Simon, principal software engineer for Red Hat's strategic messaging and ESB products, was ESB/SOA architect for Innovation Process Technology. Dr. Thomas Rischbeck, senior architect for Innovation Process Technology, has extensive SOA/ESB experience.