Master of Science, University Bonn., 1985. Master of Business Administration, European Institute of Business Administration (Institut Européen d'Administration des Affaires), France, 1989. Doctor of Philosophy, Technology University Braunschweig, 1990.
Pharmacist 3M, Germany, 1983-1984. Clinical pharmacist Germany, 1985-1990. Consultant, senior consultant Arthur D. Little, Germany, 1990-1994.
Senior consultant ABB-MAC, Sweden, 1995-1997. Vice president ABB-PTO, Germany, 1998. Managing director Steinhoff & Rendahl, Germany, since 1999.