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Dr. Mark Tremblay

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 Human Kinetics, University of Ottawa
  • 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, Active Healthy Kids Canada
  • 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, Chief Scientific Officer of Active Healthy Kids Canada, Chair of the Canadian Physical Activity Guidelines Project, Founder of the Sedentary Behaviour Research Network, and former Dean of Kinesiology at the University of Saskatchewan. Dr. Tremblay has published more than 220 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 17 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.

  • Editorial Board, African Journal of Applied Human Sciences
  • Visiting Professor, Kenyatta University, Nairobi Kenya
  • Spokesperson for the release of the 10th Active Healthy Kids Canada Report Card on Physical Activity for Children and Youth
  • Chief Scientific Officer, Active Healthy Kids Canada
  • 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 of the Steering Committee for Treatment and Research of Obesity in Pediatrics in Canada (TOPIC)
  • Member, ParticipACTION Research Advisory Group
  • Member of the Champlain Cardiovascular Disease Prevention Network Coordinating Committee
  • Member, Board of Directors, Active Healthy Kids Canada
  • 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

  • Richard Larouche (University of Ottawa) – Ph.D. Supervisor (2009‐2013)
  • Allana Leblanc (University of Ottawa – Ph.D. Supervisor (2012-2016)
  • Stella Muthuri (University of Ottawa) – Ph.D. Supervisor (2010-2014)
  • Travis Saunders (University of Ottawa) – Ph.D. Supervisor (2009‐2013)
  • Samantha Stephens (University of Toronto)– Ph.D. Committee (2008‐2014)
  • Lucy Joy Wachira (Kenyatta University, Kenya)–Ph.D. Committee (2010-13)
  • Francis Okinda (Kenyatta University, Kenya)– M.Sc. Co-Supervisor (2011-14)
  • Valerie Carson (HALO) – Post-doctoral Fellow (2012-2013)


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