Stefan Frohlich, born 1958 in Bonn. Studies of Political Sciences, English and Spanish in Bonn, Paris, Washington and Philadelphia (MA). Obtained PhD from Bonn University in 1989. 1985-1989 Research Assistant in the German Bundestag. 1989-1994 Research Assistant at the Department of Political Sciences in Bonn. Received scholarship 1994-1995 from the German Marshall Fund of the United States. 1996 Habilitation at Bonn University and Visiting Professor in Trier. 1997 Senior Fellow at the Deutsche Gesellschaft fur Auswartige Politik. 1998-2002 Director of the postgraduate «European Studies