Joel Gagnier, PhD


Associate Professor
P: 519.661.2111 ext: TBA

Joel J Gagnier is a Clinical Epidemiologist and Associate Professor in the Departments of Epidemiology and Biostats and in the Department of Surgery, Schulich Medicine & Dentistry. Dr Gagnier’s research program focuses on clinical and methodological research related to musculoskeletal conditions and clinical care. Dr. Gagnier earned a bachelors degree in psychology and another bachelor’s in philosophy and religious studies in 1996. He then entered a private medical school, the Canadian College of Naturopathic Medicine, and earned an ND degree after which he opened a private practice which he ran successfully until 2010. In 2005 he completed an MSc in Clinical Epidemiology and Health-Care research at the University of Toronto and in 2010 he completed a PhD in medical sciences with a concentration in Clinical Epidemiology and Biostatistics from the University of Toronto, both under the supervision of Dr. Claire Bomabrdier. He was awarded Canadian Institutes of Health Research (CIHR) fellowships during his MSc and PhD. During 2009 and 2010 he completed his postdoctoral training under Dr. Hal Morgenstern at the University of Michigan in the Department of Epidemiology for which he was awarded a post-doctoral fellowship from the CIHR. Dr. Gagnier was an assistant professor in Toronto from 2002 to 2004 and was appointed to his current position in the department of Orthopaedic Surgery in 2010. Dr Gagnier is a member of the CONSORT Group, the Cochrane Collaboration Musculoskeletal Group, Back Review Group, Bias Methods Group, an editor and editorial board member of several peer-reviewed scientific journals, and a board member of several research societies. He has published over 100 peer-reviewed papers, several book chapters and given over 200 lectures and workshops at local, national and international scientific meetings. He has published over 150 peer-reviewed papers, several book chapters and given over 200 lectures and workshops at local, national and international scientific meetings


Research Cluster Membership

Research Interests

  • Dr. Gagnier’s research interests include: evidence-based medicine, randomized controlled trial methods and reporting, systematic review methods and reporting, biostatistics, health measurement scales, patient safety initiatives and generally in musculoskeletal conditions. His current research focuses on perioperative pain control, multi-centered clinical research, advancing the properties of outcome measurement scales, bias in patient reported outcomes, clinical cut points of patient reported outcomes in orthopedics, analyses of registry data, the quality and reporting of clinical research, surgical safety, and the efficacy of interventions for orthopaedic conditions.


  • PhD, University of Toronto, Toronto, Ontario, Canada, 2010
  • MSc, University of Toronto, Toronto, Ontario, Canada, 2005
  • ND, Canadian College of Naturopathic Medicine, Toronto, Ontario, Canada, 2001
  • BA, University of Windsor, Windsor, Ontario, Canada, 1997