Deputy Director, Industry & Technology Division, Economic Commission for Europe since 1983. Chief, Science & Technology, Economic Commission for Europe, Geneva, 1979-1983. Chief, New Technology Section, Office for Science & Technology, United Nations, New York, 1974-1977.
Interregional Advisor on the Application of Computers in Public Administrations, Public Administration Division, United Nations, New York, 1971-1974. Computer Systems Manager, Bank of Montreal, 1969-1970. Director, Computer Services Branch, Ministry of Transport, Ottawa, Canada, 1967-1968.
Computer Systems Manager, T Eaton Company, Toronto, Canada, 1965-1966. Consultant in Computer Systems & Operational Rch, KCS Limited, Toronto, 1956-1964.