Scala practitioner, Akka contributor and author of async-dynamo - Akka based Scala Amazon Dynamo DB client.
Developer at 10gen (the MongoDB company). Java high performance systems expert.
HBase committer, Hadoop & HBase expert, author or O'Reilly's "HBase - The Definitive Guide".
Engineer at SpringSource, project lead of the Spring Data JPA.
Software Engineer at RedHat, member of the TorqueBox team
Software engineer for Canoo, leader of Java User Group Münster, co-lead of JavaFX community.
Programmer, software craftsman, biker and book lover