Mr. Ertman is a Fellow at Luminis in the Netherlands. Besides his day job he served as the Java User Group leader for NLJUG, the Dutch Java User Group (approx. 4000 members) for the past decade. A frequent speaker on Java, Software and Services Architecture related topics all over the world, as well as a book author Building Modular Cloud Applications with OSGi, O’Reilly 2013, and member of the editorial advisory board for Dutch software development magazine: Java Magazine. In 2008, Mr. Ertman was honored by being awarded the coveted title of Java Champion by an international panel of Java leaders and luminaries. He is a JavaOne 2012 Rock Star Speaker and a 2013 Duke’s Choice Award winner.