1989 final PhD exam at University of Bonn in plant production
1990 Product development representative for Monsanto in Germany
1996-98 Regional product development manager (D, AU, CH, PL, Cz, SL) for ISK Biosciences Europe
1999-06/2001 Product development manager for ISK Biosciences Europe. Area of responsibility: Europe / Africa
07/2001-07/2002 Business development manager in EDEN Biosciences Europe for German speaking countries and PL, Cz, SL, Hu. In other EU countries responsibility for organization of trials as well as for reporting across Europe and South Africa