Our Team

View the profiles of our Research Leads below. For information about our team go to the Research Managers/CoordinatorsSteering Committee, Research Trainees and Partners, and Participating Physicians sections or view our organizational chart.

Patricia C. Parkin, MD, FRCPC is a specialist in Pediatric Medicine, a Professor, Department of Pediatrics, and Institute of Health Policy, Management and Evaluation, University of Toronto Faculty of Medicine, a Senior Associate Scientist in Child Health Evaluative Sciences at the Hospital for Sick Children Research Institute, and Research Director of the Division of Pediatric Medicine and the Pediatric Outcomes Research Team (PORT) at the Hospital for Sick Children. She received an MD and FRCPC in Pediatrics, followed by graduate studies in Clinical Epidemiology and Biostatistics at McMaster University. She is an attending pediatric physician on the Pediatric Medicine Inpatient Unit and in the Pediatric Neurofibromatosis Clinic at the Hospital for Sick Children. Her research focuses on advancing the evidence base in pediatrics with two broad themes: prevention and promotion of children’s health and safety, and hospital pediatric practice. She has utilized in a number of research methods including clinical trials, development of health status measures, assessment of diagnostic tests, and observational methods. She has been involved in the supervision and mentorship of junior faculty, fellows (post MD and FRCPC) in academic general pediatrics, graduate students (masters and PhD), pediatric residents (post MD), and medical students.

Dr. Jonathon Maguire is an Assistant Professor of Pediatrics and Institute of Health Policy, Management and Evaluation, University of Toronto Faculty of Medicine and a Scientist in the Applied Health Research Centre of the Li Ka Shing Knowledge Institute of St. Michael’s Hospital. He is also a staff Pediatrician in the Department of Pediatrics at St. Michael’s Hospital and an Adjunct Scientist in the Hospital For Sick Children Research Institute. Dr. Maguire graduated from the University of Toronto Medical School in 2003 and completed a Pediatric Residency at the Hospital for Sick Children where he was Chief Resident in 2006-2007. In 2009 he completed a Masters degree in Clinical Epidemiology at the University of Toronto and an Academic Fellowship at the Hospital for Sick Children where he held a Canadian Institutes of Health Research fellowship and a Society for Pediatric Research clinical research award. His research interests focus on clinical trials involving nutrition and development in young children as well as the creation of tools to facilitate evidence informed child health practice in the primary care setting. He is involved in the creation of the only primary care practice based research network for children in Canada called TARGet Kids! and he currently holds two CIHR operating grants – HOLDIT! and DOIT!.


Dr. Catherine Birken
is an Assistant Professor in the Department of Pediatrics and Institute of Health Policy, Management and Evaluation, University of Toronto Faculty of Medicine, staff Pediatrician in the Division of Pediatric Medicine and Associate Scientist in the Hospital for Sick Children Research Institute. Dr Birken completed post-graduate training as chief resident in Pediatrics at The Hospital for Sick Children in 2001. From 2001-2004 completed a fellowship in Academic General Pediatrics at The Hospital for Sick Children, as well as an MSc degree in Clinical Epidemiology and Health Care Research Program from the University of Toronto. Her research focuses on two main areas of interest: obesity prevention through primary care practice, and advancing care for children with severe obesity. She is also involved in the primary care practice based research network in Canada called TARGet Kids and holds two grants for PROMOTE project (CIHR and PSI).