Fellow at Luminis in the Netherlands. Besides his day job Bert served as the Java User Group leader for NLJUG, the Dutch Java User Group (~4000 members) for the past decade.

A frequent speaker on Java and Software Architecture related topics all over the world, as well as a book author (Building Modular Cloud Applications with OSGi, O’Reilly) and member of the editorial advisory board for Dutch software development magazine: Java Magazine.

In 2008, Bert was honored by being awarded the coveted title of Java Champion by an international panel of Java leaders and luminaries. Bert is a JavaOne 2012 Rock Star Speaker and a 2013 Duke's Choice Award winner.