Bachelor of Science in Mechanical Engineering, College Engineering, Esslingen, 1963. Master of Business Administration, Columbia University, 1972.
Sales manager Worthington Corporation, Harrison, New Jersey, 1963-1967. Senior consultant Peat, Marwick, Mitchell & Company, New York City, 1968-1972. General manager Rank Xerox, Dusseldorf, Germany, 1973-1981.
Managing director Lonza Werke, Waldshut, Germany, 1982-1991. Chairman, Chief Executive Officer Deutz motor, Cologne, Germany, 1991—2000. Professor marketing University Wuppertal, Germany, 1982—1994.
Professor University Oredea, since 2001. Board directors Northern Technology Corporation, Praecitec Corporation, since 1999, Montanhydraulik Corporation, LEVG GmbH. Chairman Helmut Schulze GmbH.
Founding member Children Aids Foundation, Dusseldorf, 1986. Member advisory board Handelshochschule, Leipzig. President Support Organization Free Democratic Party, Bonn, since 1983.
Member of Columbia Alumni Association, European Institute of Business Administration (Institut Européen d'Administration des Affaires) Alumni Organization.
Married Barbara Rueger. Children: Henrik, Eric.