Memberships of international professional organizations

1983-	Member of the Research Committee on Social Stratification and Mobility of the International Sociological Association
1988-	Member of the Research Committee on Poverty, Social Welfare and Social Policy of the International Sociological Association
1994-1999	Book Review Editor of the European Sociological Review
2001-	2002- Member of the European Academy of Sociology
2002-	2003- Chair of the Research Committee on Social Stratification and Social Mobility of the International Sociological Association.

Awards:

1990	Prize of the Dutch Sociological and Anthropological Society for the best Dutch article (with J. Dessens & W. Jansen) (awarded once in two years)
1997	Dr. Hendrik Muller Prize of the Dutch Royal Academy of Sciences and Arts (Euro 14.000) (awarded once in two years to a behavioral or social scientist)
1999	Outstanding study of the year award adjudged by the the American Eduaction Research Association (with J. Lammers & J. Smits)

Referee for academic journals

American Sociological Review

European Sociological Review

Journal of Marriage and the Family

Netherlands Journal of Social Sciences