John McLaughlin

Affiliated Scientist , Samuel Lunenfeld Research Institute

John McLaughlin is an epidemiologist and leader in Canadian cancer research. He leads interdisciplinary teams in large population-based studies that aim to discover environmental and genetic factors involved in the development of cancers, such as colorectal, ovarian and lung, and to determine the impact of these factors across the population.

Key Appointments

  • Senior Investigator, Samuel Lunenfeld Research Institute at Mount Sinai Hospital
  • Professor, Dalla Lana School of Public Health, University of Toronto
  • Founding Director, Ontario Health Study, Ontario Institute for Cancer Research


  • Ph.D. (Epidemiology), University of Toronto (1989)
  • M.Sc. (Community Health and Epidemiology), Queen’s University (1981)
  • B.Sc. (Life Sciences), Queen’s University (1977)