· 1979: Master's  Thesis on "Dimensions of Liberal Corporatism". Supervisors: Prof. G. Lehmbruch and Prof. G.  Maier.Degree from the Faculty for Social and Behavioral Sciences, University of Tübingen. "

· 1986: Doctorate from the Faculty of Social Sciences, University of Konstanz.Thesis on "Conditions and effects of the incorporation of  labour unions into state policy making". Supervisors: Prof.  Gerhard Lehmbruch and Prof. Ralf Dahrendorf.

· 1992: Habilitation on Nuclear Safety Regulation in Germany and the USA, University of Constance, Faculty of Administrative  Sciences.

 Positions:

· 1972 -1974: Journalist at Süddeutscher Zeitungsdienst in Aalen and Südwestpresse in Ulm.

· 1980 - 1982: Research Fellow, University of Konstanz, DFG research project on "Neocorporatist Policy-Making in Western Europe".

· 1982 - 1983: Lecturer at the Free University of Berlin, Otto Suhr Institute for Political Sciences.

· 1983 - 1984: On leave from the Free University. Editor in Chief of the local newspaper Gmünder Tagespost in Schwäbisch Gmünd.

· 1984 - 1986: Lecturer at the University of Constance, Faculty of Administrative Science.

· 1986 - 1992: Assistant professor, University of Konstanz. Research Fellow DFG-SFB 201 "Administration in Flux". 

· 1992 - 1995: Senior research fellow, Max Planck Institute for the Study of Societies, Cologne 

· 1995 - 2002: Professor for Policy Analysis and Administration, Fernuniversität Hagen, Department of Political Science.

· 2002: Chair in Government and Public Policy, University of Osnabrück.

 Awards, Fellowships, Research Grants:

· 2000: Visiting Research Fellow Max-Planck-Institute for the Study of  Societies, Cologne

· 2001 - 2002: Willy-Brandt-Chair in Social Transformation Studies at the Graduate School in Humanities, University of Cape Town, South-Africa.

· 2003: Visiting Research Professor, Social-Science Institute (Shaken), University of Tokyo.

Research Grants:

· 1986 - 1987: Resarch grant"Economic modernization and labour market policies in a cross- national perspective" and "Industrial change and   interest intermediation, University of Constance" (university research pool). ·

1986 - 1987: Research grant (with Alexander Drexler) "Coping strategies of  public administrations in the face of new problems" (university research pool).

·1987 - 1992: Nucelar Safety Regulation. Germany and the USA compared". DFG: SFB 221 "Verwaltung im Wandel", University of Constance.

·1993 - 1997: "Organisational coping strategies in the face of contradicting success conditions: The Berlin Trust Agency" (financed by the Max-Planck-Institute for the Study of Societies, Cologne) and "The THA in ist environment of politics and interest groups" (Research group "Treuhandanstalt" Berlin).

· 1995 - 1997: "Sectoral transformation processes in East Germany"(Max-Planck-Institute for the Study of Societies, Cologne).

· 1999: "From the Bonn to the Berlin Republic. Politics, Economy and  Society after 1989". (with Hellmut Wollmann, Fritz-Thyssen Foundation).

· 2001: "Reconciliation, Resorative Justice, Remembrance" (Conference: Sept. 2 - 4, Cape Town, South Africa, financed by DAAD).

· 2005: "Patterns of Non-Majoritarian Governance and Political System Dynamics in Sub-Saharan Africa" (Conference: March 10 - 12, Osnabrueck, Germany, financed by VolkswagenStiftung).

· 2005 / 2007: "Germany and Japan after 1989: Reform Pressures and political system dynamics" " (Joint Seminar Tokio, September, Sept. 26 - 28, 2005, and Osnabrueck, Sept. 25-27, 2007, with Kenji Hirashima, co-financed byDFG and JSPS).

· 2016 - 2018: Resarch Grant "Governance der Energiewende", Fritz Thyssen Stiftung

 Service to the profession:

· Elected member of the Advisory Board of the German Political Science Association - DVPW (1989-1992 and 1997-2003). 

· Editorial Advisory Board  "Leviathan - Berliner Zeitschrift für Sozialwissenschaft" (2000-2004, 2021 -)

· Co-editor "Leviathan - Berliner Zeitschrift für Sozialwissenschaft" (2005 - 2021)

· Accreditation comittees: Institutional accreditation (Wissenschaftsrat / German Council of Science and Humanities): Hertie School of Governance, Zeppelin University Friedrichshafen  BA-, MA-Programmes: Univ, of Essen/Duisburg, Trier, Duesseldorf, HSG, Berlin

· Academic Reviews and Reports for: Politische Vierteljahresschrift, Schweizerische Zeitschrift für Politikwissenschaft, Schweizerische Zeitschrift für Soziologie, Routledge-Publishers, European Journal for Political Research, Österreichische Zeitschrift für Politikwissenschaft, Leviathan, Zeitschrift für Vergleichende Politikwissenschaft, Volkswagen Foundation, DFG, Fritz Thyssen-Foundation, State of Sachsen-Anhalt.

· Member of the selection committe "Lichtenberg-Professorships",   VolkswagenFoundation.

· External Reviewer and supervisor: (PhD- and Habiliation committees: HU-Berlin, LSE London, RU Bochum etc.)

· Member of Selection Commitees at various universities.

 Administration:

·  2007 - 2015: Academic Senat Univ. of Osnabrueck

· 2006 - 2018: Member of the faculty council Social Science Faculty, Univ. of Osnabrueck 

· 2006 - 2009: Vice Dean of the Social Science Department, University of Osnabrueck

· 2004 - 2006: Dean of the Social Science Department, University of Osnabrueck

· 1996 - 2002: Member of the faculty council, Faculty for Education, Social Sciences and Humantites, Fernuniversität Hagen.

· 1998 - 2000: Dean of the Faculty for Education, Social Sciences and Humantites, Fernuniversität Hagen.

· 1997 - 2000: Director, Political Science Department, Fernuniversität Hagen.

· 1989, 2000: Steering Committee for the University Elections faculty elections (Fernuniversität Hagen.

· 1987 - 1990: Member of the faculty council (Social science faculty, University of Constance (1987-1990).

· 1979: Student representative, election committee for the faculty elections (Univ. Tübingen).

· 1997/98: Member of the Rector's Task Force on Multimedia and University Teaching".

· 1989 - 1990: Faculty curriculum committee, Faculty for Administration and Management, University of Constance.

· 1989: Member of the "Computer Investment Program Committee" University of Constance.

· 1986, 1989: Member in appointment committees "labour politics" (1986) und "social administration" (1989), Social Science Faculty, Univ. of Constance.

  Counselling and transfer:

· 1993: German Parliament, Bonn, Treuhandanstalt-Committee (Reorganisation of the Treuhandanstalt / Bundesanstalt für Vereinigungsbedingte Sonderaufgaben)

· 1993: Ministry for Unification Korea, Seoul (German Unifcation Policy).

· 1995: Shell Germany (Deutsche Shell AG), Hamburg (Brent Spar, Risk Policy and Desastermanagement).

· 1994: South-African Constitutional Commission, Committee on Federalism (South-African Federalism).

· 2001 - 2004: German Agency for Technical Cooperation (Gesellschaft für Technische Zusammenarbeit -GTZ), Eschborn (Concepts of Good Governance, Counselling on Developmental Policy).

· 2005: Mummert Consulting (Hartz IV evaluation, governance analysis).