| since 2005 | Director at the Max Planck Institute for the Study of Societies |
| since 2005 | Member of the Faculty of Economics and Social Science, University of Cologne |
| 2003-2005 | Professor of Sociology at the University of Göttingen |
| 2003 | Habilitation in sociology at the Freie Universität Berlin |
| 2002-2003 | Associate Professor of Sociology at the International University Bremen |
| 1996 | Dr. phil. in sociology, Freie Universität Berlin |
| 1993-2002 | Various research positions at Freie Universität Berlin, Princeton University and Harvard University |
| 1991; 1993 | MA in Sociology from the New School for Social Research; MBA at the Freie Universität Berlin |