| 1980 | Laboratory Assistant, Polymer Laboratory, Reichhold Chemie GmbH., Vienna |
| 1982 | Laboratory Assistant, Dept. of Radiopharmaceuticals, Institute of Chemistry, Österreichisches Forschungszentrum, Seibersdorf |
| 1985-1988 | Technician, Institute of Biochemistry, University of Vienna |
| 1986-1989 | Consultant for R&D Projects for MAGINDAG, Steirische Magnesit Industrie AG, Vienna and Research Biotechnology, Chemie Holding AG, Linz |
| 1988-1989 | Assistant Professor, Institute of Biochemistry, University of Vienna |
| 1989-1990 | Research Assistant, Dept. of Microbiology and Molecular Biology, Biomedical Research Center, IMMUNO AG, Orth |
| 1991 | Head, Laboratory of Recombinant Blood Factors, Biomedical Research Center, IMMUNO AG, Orth |
| 1991-1992 | Deputy Head, Dept. of Biochemical Research on Coagulation and Fibrinolysis, IMMUNO AG, Vienna |
| 1992-1995 | Head, Dept. of Biochemical Research on Haemostasis and Thrombolysis, IMMUNO AG, Vienna |
| since 1996 | Legal Permission for Animal Experiments (Tierversuchsleiter gem. Österr. Tierversuchsgesetz 1988) |
| 1996-1999 | Head, Dept. of Process Monitoring Coagulation, Production Blood-Plasma Derivatives, Österreichisches Institut für Hämoderivate GesmbH, Vienna |
| 1997-1999 | Head, Depts. Product & Process Development Coagulation and Pharmaceutical Technology, Global R&D Plasma, BAXTER/HYLAND-IMMUNO, Vienna |
| since 1998 | Habilitation für Pharmakologie und Toxikologie, University of Vienna |
| 2000-2001 | Member Diagnostics Management Team, Research & Development Therapeutic Proteins, Hyland Immuno Division, Baxter Healthcare, BAXTER AG, Vienna |
| 2001-2005 | Director Global Preclinical R&D and Product Development, BioScience Division, Baxter Healthcare, BAXTER AG, Vienna |
