Graduate 1963
1953 - 1956 Apprenticeship as a mechanic at Matth. Hohner AG, Trossingen
1963 - 1970 Plant manager of Gottlieb Eppinger KG, Denkendorf (textile engineering)
1970 - 1975 General Manager of Maschinen- und Zahnradfabrik Carl Hurth, Munich
1976 - 1978 Executive Board Member of Zahnräderfabrik Renk AG, Augsburg
1978 - 1983 Executive Board Member of M.A.N. AG, Augsburg - Nuernberg
1983 - 1992 Executive Board Member and Executive Board Vice Chairman of Fried. Krupp GmbH, Essen
1988 awarded the honorary degree Dr.-Ing. E.h. by the Faculty of Mechanical Engineering at the University of Karlsruhe
1992 Executive Board Chairman of Hoesch AG, Dortmund
1992 - 1994 Executive Board Vice Chairman of
Fried. Krupp AG Hoesch Krupp, Essen/Dortmund
1993 Honorary Professor of the Faculty of Mechanical Engineering at the University of Essen
1995 - 1999 Executive Board Chairman of RAG Aktiengesellschaft Essen (formerly Ruhrkohle AG)