| • | 1989 | PhD (Dr.rer.nat.), Univ. Erlangen-Nürnberg |
| • | 1993 | Habilitation, Univ. Erlangen-Nürnberg |
| • | 1989-1990 | Oberassistent Univ. Zürich |
| • | 1990-1995 | PostDoc Univ. Erlangen-Nürnberg |
| • | 1994 | Heisenberg Fellowship of the DFG |
| • | 1995-1996 | Visiting Professor Univ. Bonn |
| • | 1996-1997 | PostDoc MPI Leipzig |
| • | Since 1997 | Professor Univ. Bonn |
| • | 2006 | Offer of Chair in Pure Mathematics, Imperial College London (declined) |
| • | 2015 | Offers of Full Professor position of Northwestern University and Penn State University, Distinguished Professor position at University of Kansas (declined) |
| • | 2007-2010 | Managing Director of Institute for Applied Mathematics, Univ. Bonn |
| • | 2002-2012 | Vice Chairman of Collaborative Research Center SFB 611, Bonn |
| • | 2010-2019 | Member of the Board of Directors, Hausdorff Center for Mathematics, Bonn |
| • | 2012-2019 | Coordinator (Managing Director) of the excellence cluster Hausdorff Center for Mathematics, Bonn |
| • | 2013-2016 | Member of the Executive Board of Collaborative Research Center SFB 1060, Bonn |
| • | 2016-2022 | ERC Advanced Grant "Metric measure spaces and Ricci curvature - analytic, geometric and probabilistic challenges" |
| • | Since 2021 | Member of the Selection Committee for the Humboldt Research Awards |
| • | Since 2021 | Member of the Scientific Committee of the Mathematische Forschungsinstitut Oberwolfach |
| • | Since 2024 | Director of the Hausdorff Research Institute for Mathematics |
