Ken Rimple is the author (with Srini Penchikala, and contributions by Gordon Dickens) of Spring Roo in Action, published by Manning Publications (http://manning.com/rimple). Ken created and leads the Education Services team for Chariot Solutions, which delivers training and mentoring in a wide variety of subjects including Spring, Maven, Groovy/Grails, Rails, and Scala. He is a certified VMware and Sonatype instructor and heads Chariot’s partner relations with training vendors. Working with Java since the 1990s, Ken is fluent in Spring, Hibernate/JPA, various web frameworks including Spring MVC and WebFlow, and Grails. Ken has co-chaired several Chariot conferences, including ETE 2009 and 2010, Cloud-Con East in 2008, and the Philly Grails Conference in 2009. He is also the host and creator of the Chariot TechCast podcast series (http://techcast.chariotsolutions.com), which aims to deliver information about projects and developers in the open source community both here in Philadelphia and internationally as well. Ken has a wife, four children, two dogs and a dull headache.