| 1992 – 1993 | Postdoctoral position with Prof. Dr. Theo Dingermann, University of Erlangen-Nürnberg, Institut for Biochemistry, Medical faculty | 
| 1993 – 1994 | Postdoctoral research fellow with Prof. Dr. Suzanne Sandmeyer, University of California, Irvine (UCI), Department of Microbiology and Molecular Genetics, School of Medicine: Function of the retrotransposon TY3 Integrase from S. cerevisiae | 
| 1994 – 2004 | Group leader position with Prof. Dr. Eckhart Schweizer, University of Erlangen-Nuremberg, Department of Biochemistry, Institut for Microbiology, Biochemistry and Genetics, Faculty of Natural Sciences: Function of microbial fatty acid synthases and transferases | 
| 1998 | Akademischer Rat | 
| 2003 – | Akademischer Oberrat | 
| 2005 – | Group leader position with Prof. Dr. Uwe Sonnewald, University of Erlangen-Nuremberg, Department of Biochemistry, Institut for Biology, Faculty of Natural Sciences: Function of plasmodesmata, Profilin allergenicity |