Head, Program Support Serv, United Nations International Drug Control Program (UNDCP), United Nations Office at Vienna since 1991. Deputy Director, United Nations Division of Narcotic Drugs, United Nations Office at Vienna, 1987-1991. Deputy-Secretary-General, International Conference on Drug Abuse & Illicit Trafficking, Vienna, 1986-1987.
Deputy Secretary, International Narcotics Control Board, Vienna, 1978-1986. Chief, Treaty Implementation & Information Section, 1975-1978, Social Affairs Officer, 1973-1975, International Narcotics Control Board Secretariat, United Nations Office at Geneva. Assistant Professor of Economic, Institut d'Administration des Enterprises, University of Aix-enProvence, France, 1971-1973.