Born in 1941. National of the Netherlands.
Former Head of the Netherlands regulatory office for narcotic drugs and psychotropic substances.
Former associate and senior scientist, National Institutes of Health, Bethesda, Maryland, United States.
Senior scientist and lecturer, University of Utrecht, Netherlands.
Recipient of a doctoral degree, University of Utrecht (1969). Author of numerous articles published in international journals on pharmacologically active principles of opiate and cannabinoid origin. Co-coordinator for the regulation of methadone programmes for the treatment of heroin addicts. National coordinator of the investigation of leuco-encephalopathy among heroin addicts.
Member of the delegation of the Netherlands at numerous sessions of the Commission on Narcotic Drugs. Member of International Narcotics Control Board expert groups on the preparation of article 12 of the 1988 Convention.
Member of the delegation of the Netherlands at the United Nations Conference for the Adoption of a Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances (1988).
Representative for European Union directives and regulations on article 12 of the 1988 Convention.
Appointments by the Minister of Health of the Netherlands: member of the supervisory board of the national drug information and monitoring system and the board investigating the medical prescription of heroin for the treatment of heroin addicts; member of the supervisory board for the assessment and monitoring of drugs in the Netherlands; and member of the supervisory board of the national agency for national hemp production for scientific and medicinal purposes.
Expert, assessment missions to Albania and the former Yugoslav Republic of Macedonia carried out within the scope of the European Union-Phare licit drug control project. Representative at meetings for the assessment of new synthetic drugs by the Extended Scientific Committee of the European Monitoring Centre for Drugs and Drug Addiction, Lisbon.
Chairman, Pompidou Group/International Narcotics Control Board Conference on the Control of Psychotropic Substances in Europe.
Chairman, WHO Working Group on Revised Guidelines for the WHO Review of Dependence-Producing Psychoactive Substances for International Control.
Member of the International Narcotics Control Board (since 2002). Vice-Chairman of the Standing Committee on Estimates (2003).
Vice-Chairman of the Committee on Finance and Administration (2003).
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