| 1964-1970 | Student, Political Science, History, Communications in Mainz, Munich (LMU) and Berlin (FU) |
| 1970 | Doctoral degree (Dr. phil.) in Political Science, History, Communications, University of Mainz |
| 1970-1977 | University assistant to Elisabeth Noelle-Neumann |
| 1977 | Postdoctoral lecturing qualification (Habilitation) in Communications (Publizistikwissenschaft), University of Mainz |
| 1978-1982 | Heisenberg Scholarship |
| 1982-2011 | University Professor (Chair) in Communications Research (Publizistikwissenschaft), University of Mainz |
| | |
| | Guest professor, visiting Professor, fellow: |
| 1980 | University of California Berkeley |
| University of Munich (LMU) |
| 1980-1982 | University of Tunis |
| 1982 | Southern Illinois University, Carbondale |
| 1990 | University of Zurich |
| 2000-2002 | , 2011 University of Lugano |
| 2005 | Harvard University |
| 2007-2008 | University of Luzern |
| | |
| | Service to the Community |
| 1982-1984 | President, Deutsche Gesellschaft für Publizistik- und Kommunikationswissenschaft |
| 1983-2008 | Director, Department of Communications, University of Mainz |
| 1987-1993 | Dean, Faculty of Social Sciences, University of Mainz |
| 1997-1999 | Member of the Senate, University of Mainz |
| 1997-1998 | Cours de la Langue et Civilisation Française, Université Paris I (Sorbonne), Paris, France, Diplôme de la Civilisation Française de la Sorbonne (Result: mention bien) and Certificat du Secrétariat de la Chambre de Commerce de Paris |
| 1988-1997 | A-levels (Abitur), Evangelisches Gymnasium, Siegen, Overall Result: 1,9 |
| 1998-2003 | Master of Arts in Political Science, Public Law and Sociology, Bonn University Master s thesis: Between realistic interests and moral obligation: German Foreign Policy |
| 2001-2001 | Student Assistant, Center for European Integration Studies (Assistant to Prof. Dr. Ludger Kühnhardt), Bonn University |
| 2002-2002 | Erasmus exchange semester at Venice International University (VIU) and Università Ca Foscari, Venice, Italy |
| 2007-2007 | Research stay at State University of New York (SUNY) at Albany DAAD short-term research grand, M. E. Grenander Department of Special Collections and Archives, German and Jewish Intellectual Émigré Collection |
| 2003-2008 | Research Assistant and Lecturer, Chair of political science and contemporary history (Prof. Dr. Christian Hacke), Bonn University |
| 2003-2009 | PhD in Political Science, Bonn University, Doctoral thesis: John H. Herz An Intellectual Biography , Overall result: Summa Cum Laude |
| 2008-2010 | Research Assistant and Lecturer, Program for North American studies (Prof. Dr. Sabine Sielke), Bonn University |
| 2010 | Lecturer, Department of International Relations (Prof. Dr. Beate Neuss), Chemnitz Technical University |
| 2010-2011 | Program Officer, Future Forum Berlin, German Council on Foreign Relations (DGAP) |
| Associate, Project team: Strategic Thinking , Stiftung Neue Verantwortung, Berlin |
| 2011-2012 | Advisor on disarmament, arms control, and non-proliferation at the German Bundestag, Office of Roderich Kiesewetter, Member of the German Bundestag, German Bundestag, Berlin |
| 2013-2014 | Acting Head of Program, Future Forum Berlin |
| 2013-2015 | Program Officer, Future Forum Berlin, German Council on Foreign Relations (DGAP) |
| since 2015 | Head of Program, Alfred von Oppenheim Center for European Policy Studies, German Council on Foreign Relations (DGAP) |
