| Dates |
Organization |
Position |
| 2006 |
Health Council committee on Biotechnology |
member |
| 2005-2006 |
Jury for the Heineken Prize for Medicine, KNAW |
Member and Honorary Secretary |
| 2004-Present |
Netherlands Medical Journal Association (Vereniging Het Nederlands Tijdschrift voor Geneeskunde) |
Member |
| 2004-2005 |
Royal Netherlands Academy of Sciences, Committee on Contract Research and Scientific Independence |
Member |
| 2003-Present |
Royal Netherlands Academy of Sciences (Koninklijke Nederlandse Akademie van Wetenschappen) |
Member |
| 1991-1997 |
Netherlands Heart Foundation Scientific Advisory Council |
Member |
| 1990-Present |
Government Health Council (Gezondheidsraad) |
Member |
| 1988-1991 |
Food Law Advisory Committee (Warenwetcommissie) |
Member |
| 1987-1995 |
Netherlands Postgraduate Programme in Human Nutrition |
Secretary / Chairman |
| 1987 |
Dutch Cholesterol Consensus Preparatory Committee |
Member |
| 1982-1986 |
ZWO-werkgemeenschap Voeding (Netherlands Science Foundation, Study Section on Nutrition) |
Co-founder / Secretary / Chairman |
| 1981-1985 |
Netherlands Heart Foundation Scientific Advisory Council |
Member |