Studies in Industrial engineering, Physics and Mathematics at Universities of Karlsruhe and Tubingen. Between 1988-1993 Industrial designer and general manager of Frizz. Manufaktur für Licht & Gestaltung GmbH. Between 1993-1994 independent business consultant and during 1994-1996 general manager for Schmid, Werkzeug & Stanzteile GmbH. Since 1996 independent consultant for development and project management of business softwares. Since 2002 industrial designer for lighting.