Professor Leonard Ritter
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Dr. Leonard Ritter is Executive Director of the Canadian Network of Toxicology Centers and Professor of Toxicology in the School of Environmental Sciences at the University of Guelph, Guelph, Ontario, Canada. In addition, Dr Ritter also served as Coordinator of the Metals in the Human Environment Strategic Network. Dr Ritter has extensive experience in the regulatory toxicology of a broad range of environmental chemicals, domestic, agricultural and industrial use pesticides and the safety of food residues. He serves as an expert advisor to the Joint Expert Committee on Food Additives of the World Health Organization and has participated in various boards and expert panels, including those organized by the Royal Society of Canada, Canada’s Pest Management Regulatory Agency, Health Canada, the National Cancer Institute of Canada, the U.S. National Academy of Sciences, the US EPA and the World Trade Organization. Dr. Ritter serves , or has served, as Chair of the Council of Canadian Academies’ Expert Panel on the Integrated Toxicity Testing of Pesticides, a member of Health Canada’s Health and Environment Experts Group of the Canadian Longitudinal Study on Aging, a member of the HESI Steering Team and Session leader for the Workshop on Proof of Causality in Epidemiologic Studies, a member of the Organizing Committee of the Joint ICCA-LRI and Health Canada Workshop on Advancing Exposure Science to Improve Chemical Safety. Recently, Dr Ritter has also been appointed to Chair the Ontario Independent Fact Finding Panel on 2,4,5,-T.
Dr. Ritter holds a B.Sc. (Hons) and M.Sc. in biology and biochemistry from Sir George Williams University in Montreal, Canada and a Ph.D. in biochemistry from Queen’s University, Kingston, Ontario, Canada. Dr Ritter is a Fellow of the Academy of Toxicological Sciences and, in 2006, was awarded a medal by the UN World Health Organization in recognition of his contributions. Between 1977 and 1993, Dr Ritter served as Chief of the Pesticides Division, Chief of the Product Safety Division and as Director of the Bureau of Veterinary Drugs at Health Canada prior to taking up his current responsibilities at the University of Guelph. He has been involved in research and regulatory toxicology for almost 35 years.