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
  • 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 Public Health, University of Toronto
  • Adjunct Research Professor in the Department of Health Sciences, Carleton University
  • Visiting Professor, Kenyatta University, Nairobi, Kenya
  • Visiting Professor, University of Strathclyde, Glasgow, Scotland
  • Visiting Professor, Southwest University, Chong Qing, China
  • Chief Scientific Officer, ParticipACTION
  • Fellow of the American College of Sports Medicine
  • Fellow of the Canadian Society for Exercise Physiology


Professor Tremblay is the Director of Healthy Active Living and Obesity Research (HALO) at the CHEO Research Institute and Professor of Pediatrics in the Faculty of Medicine, University of Ottawa. He is a Fellow of the Canadian Society for Exercise Physiology, Fellow of the American College of Sports Medicine and Adjunct/Visiting Professor at five other universities on four continents. Dr. Tremblay has published more than 450 scientific papers and book chapters and his published research has been cited >17,000 times according to Scopus. Dr. Tremblay received an honorary doctorate from Nipissing University, the Queen Elizabeth II Diamond Jubilee Medal, the Lawson Foundation 60th Anniversary Award, the Canadian Society for Exercise Physiology Honour Award, the Victor Marchessault Advocacy Award (Canadian Pediatric Society), and the Vic Neufeld Mentorship Award in Global Health Research (Canadian Coalition for Global Health Research for his leadership contributions to healthy active living in Canada and around the world.

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.

  • President of the Active Healthy Kids Global Alliance
  • Founder of the Sedentary Behaviour Research Network (SBRN)
  • Chair and Cofounder of Outdoor Play Canada
  • Chief Scientific Officer and spokesperson for the ParticipACTION Report Card on Physical Activity for Children and Youth
  • 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
  • Invited member of the World Health Organization’s 24-Hour Movement Guidelines for the Early Years Guideline Development Group
  • Invited member of the Australian 24-Hour Movement Guidelines for Children and Young People and the Early Years Guideline Development Groups
  • Member of the CIHR College of Reviewers
  • Reviewer for many scholarly journals, granting agencies, and tenure and promotion applications

Graduate Students, Supervision and Training

  • Taru Manyanga (University of Ottawa) – Ph.D. Supervisor (2015-2019)
  • Salomé Aubert (University of Ottawa) – Ph.D. Supervisor (2015-2019)
  • Silvia Gonzalez (University of Ottawa) – Ph.D. Supervisor (2017-2020)
  • Jeremy Walsh (University of Ottawa) – PDF Supervisor (2017-2018)
  • EunYoung Lee (University of Ottawa) – PDF Supervisor (2017-2018)
  • Christine Delisle Nyström – PDF Supervisor (2017-2018)
  • Michelle Guerrero (University of Ottawa) – PDF Supervisor (2018-2020)
  • Evan Turner (Carleton University) – M.Sc. Supervisor (2018-2020)


  • CSEP
  • ACSM
  • Obesity Canada
  • CPHA
  • PHE Canada
  • SBRN (Founder)
  • African Physical Activity Network
  • International Physical Literacy Association
  • Outdoor Play Canada (Cofounder)
  • Kids Brain Health Network