Warsaw University, PhD Sociology (1984); Habilitation (1991);
Professor, University of Bremen, Integrated European Studies (1995-);
Member of Polish Sociology and Philosophy Association, International Sociological Institute and Sociological Association, German Association for East European Studies and for Phenomenological Research; member of Scientific Boards at: Charles University, Faculty of Social Studies, Prague (1994-); German-Polish Association, Bremen (1998-); Helmuth-Plessner Association; Sociology Committee of Polish Academy of Sciences, Warsaw (1999-); member of International Board of The Polish Sociological Review Polish Sociological Review.
