| Jul. 08 - : | Associate Professor at the University of Kentucky (Ky.,USA) |
| Jan. 07 - Jun. 08: | Assistant Professor at the University of Kentucky (Ky.,USA) |
| Sept. 04 - Dec. 06: | Assistant Professor at the University of Groningen (The Netherlands) |
| Aug. 03 - Jun. 04: | Visiting Assistant Professor at the Dept. of Math. at the University of Kentucky (Ky.,USA) |
| Oct. 02 - Feb. 03: | Vertretungsprofessorin (C4, Geometry) at the Dept. of Math. of the University of Magdeburg |
| Mar. 01 - Aug. 04: | Oberassistentin at the Dept. of Mathematics, University of Oldenburg
(On Leave Oct. 02 - Feb. 03 and Aug. 03 - Jun. 04) |
| Aug. 97 - May 99: | Visiting Assistant Professor at the Dept. of Math. at the University of Notre Dame (Ind.,USA) |
| Mar. 93 - Feb. 01: | Wissenschaftliche Assistentin at the Dept. of Mathematics, University of Oldenburg
(On Leave Aug. 97 - May 99) |
| Jun. 91 - Feb. 93: | Post-Doc at the Institute of Dynamical Systems, University of Bremen |
| Mar. 87 - May 91: | Research fellow at the Institute of Dynamical Systems, University of Bremen |