Executive Board Director of Research
European Enlargement Policy and its implications for the political system and the policies of the European Union as well as Germany's approach to European Affairs
Since April 2009 Director of Research in the German Institute for International and Security Affairs, Stiftung Wissenschaft und Politik (SWP)
1992-2009 Deputy Director of the Institute for European Politics (IEP)
1997 Doctorate (Dr. phil.) from the University of Bonn
1981-1987 Political Science, Modern History, Eastern European History and Slavonic Studies at the University of Bonn and the Free University Berlin
A Security Policy Flanking, Not a Revision of EU Enlargement Policy, Is Advisable
doi:10.18449/2022C21
Contributions to Research Papers 2021/RP 10, 13.12.2021, 125 Pages, pp. 13–16
doi:10.18449/2021C12
Causes, Trajectories, and Implications for Europe
doi:10.18449/2020RP04
doi:10.18449/2019C44
Political Lessons Learnt from the 2016 Brexit Referendum
doi:10.18449/2019C24
doi:https://doi.org/10.1007/978-3-030-70890-0_11
Growth, differentiation and dynamics of EU-enlargement policy