Bachelor in Philosophy, Purdue University, 1977. Bachelor in Sociology, Purdue University, 1977. Master of Arts in Sociology, University Toronto, Ontario, Canada, 1978.
Doctor of Philosophy in Sociology, University Toronto, Ontario, Canada, 1986.
Associate professor Adam Mickiewicz University, Poznan, Poland, 1989-1990. Guest lecturer University Toronto, 1990. Lecturer University Bielefeld, Germany, 1991-1992, senior lecturer Germany, 1995-1999.
Scientific director Marianne Weber Institute, Germany, since 1999. Director Florian Znaniecki Archive, Bielefeld, Germany, Poznan, Poland, since 1987. Guest associate professor University Constance, Germany, 1992.
Member foreign editorial board Critique and Humanism, Sofia, Bulgaria, since 1991. Editorial advisor International Sociology, 1990-1996. Academy administrative officer development sociology in Russia (tempus: Trans-European Cooperative Scheme for Higher Education), Bielefeld-Moscow, 1994-1997.
Foreign advisory member governing council Russian Center for Humanitarian Education University, Moscow, Russia, 1994-1998.
Member American Sociological Association, International Sociological Association, German Society for Phenomenolog. Research, Phi Beta Kappa, Phi Beta Phi.
Married Sibyl Ute Ahlert, August 9, 1989. Children: Juliana Roswita, Justin Anthony.