.:CV Deutsche Version
- 2008 Habilitation at the University of Hamburg
- 2001 Dissertation at Bielefeld University
- 1995 First State Examination at the Free University of Berlin
- Since 2008 Full Professor of History (with particular focus on the History of 19th and 20th Century), Bielefeld University
- 2007-2008 Senior Lecturer, University of Freiburg
- 2006 (3 months) Postdoctoral Fellowship, German Historical Institute, London (GHIL)
- 2004 (3 months) Postdoctoral Fellowship, German Historical Institute, Washington D.C.
- 2002-2007 Assistant Professor, University of Hamburg
- 2001 Teacher training in Chemnitz and Freiburg
- Since April 2012 Dean of the faculty of history, philosophy and theology (Bielefeld University)
- 2010-2012 Vice Dean of the faculty of history, philosophy and theology (Bielefeld University)
- Since 2010 Member of the Board of the BGHS (Bielefeld University)
- 2000 Scholarship of the Institute for Advanced Study in the Humanities (KWI), Essen
- 1999 Scholarship of the Ministry of Science in North Rhine-Westfalia
- 1995-2000 Postgraduate student at the research training group "Sozialgeschichte von Gruppen, Schichten, Klassen und Eliten", Bielefeld University
- Since 2008 Co-editor of the series: Historische Einführungen, Campus-Verlag
