Master in Sociology, University Nymegen, The Netherlands, 1972. Doctor of Philosophy in Social Sciences, University Nymegen, The Netherlands, 1982.
Researcher department sociological methodology University Utrecht, 1973. Lecturer department sociology University Oran, Algeria, 1973-1975. Researcher department cultural and religious psychology University Nymegen, 1976-1982.
Senior statistician Center Bureau Statistics, Heerlen, The Netherlands, 1982-1985, senior researcher, project manager The Netherlands, since 1985.
Member International Statistical Institute, Dutch Society Statisticians.