ETH Zürich, Gruppe Weltraumbiologie
- Head of Group, Space Biology Group, Swiss Federal Institute of Technology Zurich (ETHZ), Switzerland, January 2005 – present.
- Associate Faculty, Department of Biology, Florida State University, U.S.A. July, 2004 – December, 2004.
- Postdoctoral Research Fellow, Department of Biology, Florida State University, U.S.A., April, 2002 – June, 2004.
- Postdoctoral Research Fellow, Institute of Cell Biology, University of Berne, Switzerland, January, 2002 – March, 2002.
- Postdoctoral Research Fellow, Howard Florey Institute, University
of Melbourne, Australia, December, 2000 – December, 2001.