Bachelor of Science in Chemistry, University Nijmegen, The Netherlands, 1979. Master of Science in Chemistry, University Nijmegen/U. Paris VII, 1983. Doctor of Philosophy in Toxicology, University Maastricht, The Netherlands, 1989.
Freelance journalist, Chemisch Weekblad/Chemisch magazine, 1983-1985;
assistant professor biological health science, U. Maastricht, 1989-1990;
toxicologist, The Netherlands Organization Nutrition and Food Research Institute, Zeist, The Netherlands, 1990-1995;
research manager, head food and non-food analysis department, The Netherlands Organization Nutrition and Food Research Institute, Zeist, The Netherlands, since 1995;
international contracts consultant, The Netherlands Organization Nutrition and Food Research Institute, Zeist, The Netherlands, since 1990. Secretary updating genetic toxicology guidelines Organization of European Cooperation and Development, Paris, 1992-1995. Consultant, member commission on natural carcinogens and anticarcinogens Health Council The Netherlands, since 1995.
Member expert group Food Composition Tables, since 1995. Member National Committee on Bioactive Substances and Health. Member management board European Cmty.
Member Dutch Society Toxicology, European Environmental Mutagen Society, Utrecht Cancer Research Center, Dutch Society Cosmetic Chemists.
Married Hanny M. de Wit, November 11, 1987. Children: Marleen, Mathijs.