Master of Arts, University Munster, Germany, 1968. Doctor of Philosophy, University Munster, Germany, 1971.
Assistant professor sociology University Bielefeld, Germany, 1972-1975, professor Germany, 1980—2008. Associate professor University Essen, Federal Republic Germany, 1975-1979. Senior professor Hertie School Governance, Berlin.
Director research center Prevention in Childhood and Adolescence, Bielefeld, Institute Population Research, 1986—1998. Dean School Public Health University Bielefeld, Germany, 1993—1998, 2003—2006. Visiting professor New York University, 1989, University of California at Los Angeles, 1999.
Director collaborating center Children and Adolescents' Health World Health Organization, 1997—2007.
Member of American Sociological Association, Society for Research of Adolescence, German Public Health Association, German Sociological Association (chairman committee education 1978-1982, committee health 1999—2006).
Married Bettina Ahrendts, March 25, 1971 (divorced 2000). Children: Achim, Annette. Married Doris Schaeffer, September 19, 2003.
1 child Merlin.