Dan is an open source advocate, community catalyst, author and speaker. He's currently pursuing these interests as a Principal Software Engineer at Red Hat. In that role, he serves as a JBoss Community liaison, contributes to several JBoss Community projects, including Arquillian, ShrinkWrap, Seam 3 / DeltaSpike and JBoss Forge, and participates in the JCP on behalf of Red Hat. Dan is the author Seam in Action (Manning, 2008), writes for IBM developerWorks, NFJS magazine and JAXenter and is an internationally recognized speaker. He's presented at major software conference series including JavaOne, Devoxx, NFJS, JAX and Jazoon. After a long conference day, you'll likely find Dan enjoying tech talk with fellow community members over a Belgian Trappist beer.