Jason is a co-author of Tomcat: The Definitive Guide, now in its second edition, and has written some web articles for O'Reilly's OnJava.com web site. Jason is an Architect at eBay Inc. in the Platform Frameworks group.

Before joining the Platform team at eBay, Jason was Software Architect at MuleSoft working on a commercial Tomcat server administration console product, and before that he was the Software Architect at Spigit, Inc. where he led a team of software engineers writing an idea management and prediction markets social networking web application for the enterprise. Before joining Spigit, Jason was a Senior Principal Software Engineer for Orbital Sciences Corporation, working at NASA's Ames Research Center on the Kepler Space Telescope mission, where his software has helped discover 77 confirmed extrasolar planets, so far.