Dean of the Faculty of Philosophy of the University of Bonn; Director of the Center for Advanced Security, Strategic and Integration Studies (CASSIS) of the Faculty of Philosophy of the University of Bonn; Professor at the Institute for Political Science and Sociology.

Director of the Center for Advanced Security, Strategic and Integration Studies (CASSIS) of the Faculty of Philosophy at the University of Bonn; Professor of Political Science at the Institute for Political Science and Sociology at the University of Bonn.

Director of the Center for Advanced Security, Strategic and Integration Studies (CASSIS) of the Faculty of Philosophy at the University of Bonn; Henry Kissinger Professor for Security and Strategy Research at the Institute for Political Science and Sociology.