Dr. David Waltner-Toews is a renowned Canadian veterinary epidemiologist and highly-respected specialist in the epidemiology of food and waterborne diseases, zoonoses, ecosystem health and One Health, whose work has been instrumental in the development of teaching and training programs across North America, Europe and Asia. A University Professor Emeritus in the Department of Population Medicine at the University of Guelph, Dr. Waltner-Toews served as the founding president of Veterinarians without Borders-Canada. He is the author of numerous books of poetry and nonfiction and lives in Kitchener, Ontario.