Veteran of Open Source Java EE in both implementing and defining JavaEE specifications for over 10 years with a strong drive to see JavaEE simple, testable and as light as Java SE. A co-founder of OpenEJB (1999), Geronimo (2003), TomEE (2011). JavaOne 2012 & 2013 RockStar award winner. Member of the EJB 3.0, EJB 3.1, 3.2, Java EE 6 and Java EE 7 Expert Groups. Contributing author to Component-Based Software Engineering: Putting the Pieces Together from Addison Wesley. Regular speaker at JavaOne, Devoxx, ApacheCon, OSCon, JAX and other conferences.