Lecturer and Assistant Professor Occupational and Environmental
Health Unit, Faculty of Medicine, University of Toronto - since 1980.
Member, American Conference of Governmental Industrial Hygienists
Committee on Threshold Limit Values for Physical Agents - from 1975
through 1996.
Member, Vice Chairman and Chairman, CSA Subcomittee on Standard
C22.2 No. 150 - Microwave Ovens - since 1973.
Member, Standards Council of Canada, CNC/IEC/TC76 - Lasers,
CSC/IEC/SC61B - Microwave Ovens.
Special Lecturer and Guest Speaker to various government personnel,
students in public health, occupational health and environmental health,
and professional, industrial and public interest groups.
Safety Specialist (Non-Ionizing Radiation), Health and Safety Division,
Ontario Hydro - 1988 to 1993.
Supervisor, Non-Ionizing Radiation Safety, Radiation Protection
Service, Ontario Ministry of Labour - 1975 to 1988.
Alternate Member for Ontario, Federal-Provincial Subcommittee on
Radiation Surveillance - 1975 to 1988.
Scientific Officer (Microwave), Radiation Protection Bureau, Health
and Welfare Canada - 1971 to 1975.
Member, National Research Council of Canada, Associate Committee
on Scientific Criteria for Environmental Quality and Subcommittee on Physical
Energy Phenomena - 1979 to 1991 when it was disbanded.
Consultant, EMF and INTERSUN Projects, World Health Organization,
Geneva, Switzerland, 1998 09 to 1999 12.