| Since 2005 | Leader of the Mathematical Modeling Group at Max Planck Institute for Marine Microbiology, Bremen. |
| Since 2004 | Professor of |
| 2003 | Lecturer at International University Bremen, Germany. |
| 1995-2004 | Research Associates, Max Planck Institute for Marine Microbiology, Bremen. |
| 1994 | PostDoc Fellowship (University College of London). |
| 1993 | PostDoc Fellowship DAAD and DFG (IISc. Bangalore). |
| 1990 | Ph.D. in Fluid Dynamics (University of Bremen). |
| 1986 | M.Sc. (Technical University Berlin). |