Bert Ertman is a Fellow at Luminis in the Netherlands. Next to his customer assignments he is responsible for stimulating innovation, knowledge sharing, coaching, technology choices and presales activities.Besides his day job he is a Java User Group leader for NLJUG, the Dutch Java User Group. A frequent speaker on Enterprise Java and Software Architecture related topics at international conferences (e.g. J-Fall, Devoxx, JavaOne, Jfokus, etc) as well as an author 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.