 Schimmelfennig also held post-doctorate fellowships at the Technische Universität Darmstadt (1998–2002), the European University Institute (2001–2002), and the Mannheim Center for European Social Research (2002–2005).Since September 2005, Schimmelfennig has been Professor and Chair of the Center for European Politics at the Swiss Federal Institute of Technology in Zurich, Switzerland.Frank Schimmelfennig is a member of the executive committees of the European Union Studies Association and of the German Political Science Association.