Eben Hewitt is a Principal on the architecture team at a multi-billion dollar national retail company, where he has been focused on designing and building their Service Oriented Architecture. He has worked in IT for ten years, working on large-scale web and SOA integration projects, distributed software, and messaging systems. Hewitt is the author of four previous programming books, several industry articles, and is a contributor to the O'Reilly book 97 Things Every Software Architect Should Know, edited by Richard Monson-Haefel. He is a popular speaker at industry conferences and local user groups.