Dr. Mark Tremblay
Director of Healthy Active Living and Obesity Research
613-737-7600 x4114

Education, Credentials, Academic Appointments

  • MSc and PhD, Department of Community Health, University of Toronto
  • Canadian Society for Exercise Physiology – Certified Exercise Physiologist
  • Full Professor, Department of Pediatrics, Faculty of Medicine, University of Ottawa
  • Cross-appointed to Department of Epidemiology and Community Medicine
  • Faculty appointment in Ph.D. Program in Population Health, University of Ottawa
  • Senior Research Scientist, Children’s Hospital of Eastern Ontario Research Institute
  • Adjunct Professor, School of Graduate Studies, University of Toronto
  • Visiting Professor, Kenyatta University, Nairobi, Kenya
  • Chief Scientific Officer, ParticipACTION
  • Fellow of the American College of Sports Medicine


Dr. Tremblay is the Director of HALO at the Children’s Hospital of Eastern Ontario Research Institute and Professor of Pediatrics in the Faculty of Medicine, University of Ottawa. He is a Fellow of the American College of Sports Medicine, Chair of the Active Healthy Kids Global Alliance, Chief Scientific Officer of the ParticipACTION Report Card, Chair of the Canadian Physical Activity Guidelines Committee, Founder of the Sedentary Behaviour Research Network, and former Dean of Kinesiology at the University of Saskatchewan. Dr. Tremblay has published more than 290 papers and book chapters in the peer-reviewed literature. He has delivered over 600 scholarly conference presentations, including more than 140 invited and keynote addresses, in 19 different countries. Dr. Tremblay received an honorary doctorate from Nipissing University and the Queen Elizabeth II Diamond Jubilee Medal for his leadership contributions to healthy active living in Canada.

Research, Clinical, Professional and Scholarly Focus and Service

Current research interests include: i) pediatric exercise science ii) childhood obesity iii) physical literacy and health iv) physical activity, fitness and health measurement v) sedentary physiology vi) health surveillance vii) knowledge translation and mobilization.

  • Chair of the Active Healthy Kids Global Alliance
  • Member of the World Health Organization Ad Hoc Working Group on Science and Evidence for Ending Childhood Obesity
  • Chair of Public Health Ontario’s Healthy Kids Community Challenge Scientific Reference Committee
  • International Scientific Committee for the 2016 International Congress of Obesity
  • Visiting Professor, Kenyatta University, Nairobi Kenya
  • Chief Scientific Officer and spokesperson for the release of the 11th annual ParticipACTION Report Card on Physical Activity for Children and Youth
  • Chair, Canadian Physical Activity Guidelines Committee, Canadian Society for Exercise Physiology
  • Research Affiliate with the Alberta Centre for Active Living
  • Chair, Scientific Advisory Committee and Steering Committee for the Canadian Assessment of Physical Literacy Project
  • Member, ParticipACTION Research Advisory Group
  • Member, Expert Advisory Committee of the Canadian Health Measures Survey, Statistics Canada
  • Reviewer for many scholarly journals, granting agencies, and tenure and promotion applications

Graduate Students, Supervision and Training

  • Taruwona Manyanga (University of Ottawa) – Ph.D. Supervisor (2015-2018)
  • Salomé Aubert (University of Ottawa) – Ph.D. Supervisor (2015-2018)
  • Justin Lang (University of Ottawa) – Ph.D. Supervisor (2013-2017)
  • Allana Leblanc (University of Ottawa – Ph.D. Supervisor (2012-2015)
  • Samantha Stephens (University of Toronto)– Ph.D. Committee (2008‐2016)
  • Francis Okinda (Kenyatta University, Kenya)– M.Sc. Co-Supervisor (2011-15)
  • Daniel McCormack (University of Ottawa) – M.Sc. Co-supervisor (2013-16)
  • Richard Larouche (University of Ottawa) – Post-doctoral Fellowship Supervisor (2013‐2016)


  • CSEP
  • ACSM
  • Canadian Obesity Network
  • Physical and Health Ed. Canada
  • Society for PA and Health
  • ISPAH PA and Obesity Council
  • ISPAH Global Advocacy PA
  • ISPAH PA Measurement and Surveillance Council
  • Sedentary Behaviour Research Network (Founder)
  • African Physical Activity Network
  • International Physical Literacy Association