Party affiliation: Christian Democratic Appeal Party
Secretary, CHU, 1960-1971. Member of Second Chamber, for CHU 1971-1980, and for Christen Democratisch Appel (Christian Democratic Appeal), 1980- SI. Chairman of Ethnic minorities Committee.
Secretary of State, Binnenlandse business, 1981-1982. Secretary of State, Education and Science, 1982-1986. Member of Second Chamber, Christen Democratisch Appel (Christian Democratic Appeal), since 1986.
Chairman Parly Committee O&W.