Background
Wiegersma, Sies was born on May 29, 1919 in Zevenaar, Gelderland, The Netherlands. Son of Wieger and Hinke (Bosga) Wiegersma.
Wiegersma, Sies was born on May 29, 1919 in Zevenaar, Gelderland, The Netherlands. Son of Wieger and Hinke (Bosga) Wiegersma.
Candidate, University Utrecht, The Netherlands, 1940. Master of Science, University Groningen, The Netherlands, 1946. Doctor of Philosophy, University Amsterdam, 1959.
Psychologist, Psychology Institute, The Hague, The Netherlands, 1946-1950;
director, Institute Mental Health, Leeuwarden, The Netherlands, 1950-1953;
senior research worker, Institute Preventive Medicine, Leiden, The Netherlands, 1953-1961;
director, National Federation for Mental Health, Amsterdam, 1962-1967;
professor, U. Amsterdam, 1964-1967, 68-89;
vice-rector, U. Amsterdam, 1968-1972;
dean of faculty, U. Amsterdam, 1978-1988. Chairman of Commission on reform University, The Hague, 1973-1982. Vice-chairman Academy Council, The Hague, 1978-1985.
Member board appeals Netherland Institute of Psychologists, since 1975.
Chairman National Vocational Guidance Organisation, 1961-1978. Secretary Dutch National Mental Health Fund, 1962-1989. Member board directors Center bureau of Statistical, 1978-1985.
Married Elisabeth Christina Immina van den Heuvel. Children: Harm, Marianne.