He is currently a visiting Professor at the Hasso-Plattner-Institute in Potsdam. He was co-chair of the 3rd International Workshop on Scenarios and State Machines: Models, Algorithms, and Tools (SCESM04), at ICSE'04 and Program Chair and organizer of the 3rd Workshops for “Object-oriented Modeling of Embedded Real-Time Systems” (OMER3) in Paderborn, Germany (13 - 14 October, 2005). He also is one of the organizers for the Dagstuhl-Seminar “Software Engineering for Self-Adaptive Systems” In January 2008. He is currently serving as Workshop Chair for of the MODELS / UML 2007 conference in Vanderbilt and Co-Chair of the Track for Research Demonstrations for ICSE 08 in Dresden.