Our Team

Dr. Eyal Cohen

Eyal Cohen, MD, MSc, FRCPC


Dr. Eyal Cohen is a Professor of Pediatrics and Health Policy, Management and Evaluation at the University of Toronto. Dr. Cohen co-founded the Complex Care Program with his colleagues in the Division of Paediatric Medicine at The Hospital for Sick Children where he practices clinical pediatrics. His research program focuses on the health outcomes of children with complex needs and their families and child health policy. He is as Senior Scientist and Program Head in Child Health Evaluative Sciences in the SickKids Research Institute, with scientific cross-appointments at the CanChild Centre for Childhood Disability Research at McMaster University and at ICES. Dr. Cohen serves in a number of advisory roles for the Provincial Council of Maternal and Child Health, BORN Ontario, and the Ontario Public Drug Program.

Dr. Astrid Guttmann

Astrid Guttmann, MDCM, FRCPC, MSc


Dr. Astrid Guttmann is a staff physician and senior scientist at the Hospital for Sick Children, senior scientist and chief science officer at ICES, and a professor of paediatrics with a cross-appointment in the Institute for Health Policy, Management and Evaluation and the Dalla Lana School of Public Health at the University of Toronto. Her research aims to improve child health and well-being through population-based studies that inform or evaluate health system programs and broader policies with a focus on vulnerable families. Current work includes a focus on the impact of COVID-19 on children and youth and immigrant and refugee families, an evaluation of Canadian refugee re-settlement models assessing long-term refugee health and social outcomes, and multiple projects related to mental health and addictions including prenatal opioid use. She has held three salary awards including a research chair from the Canadian Institutes for Health Research. Astrid is a council member of the Provincial Council for Maternal and Child Health and sits on a number of national and international research advisory bodies.


Ellie Adler, BSc, MSc, PMP

Research Program Manager (on maternity leave from January 22, 2022)

Ellie Adler is passionate about improving the well-being of all children and families, fostered by foundational experiences working and volunteering with diverse communities in Canada and internationally. She is an experienced researcher and administrator, with training in epidemiology, program evaluation, knowledge translation and project management. After working in the fields of maternal, newborn and child health at several universities, hospitals and NGOs, Ellie joined SickKids in 2012, contributing to clinical, research and educational projects across multiple centres. Ellie holds a BSc. in Psychology from York University and a MSc. in Community Health and Epidemiology from the University of Saskatchewan.

Priscilla Medeiros

Priscilla Medeiros, MA, PhD

Knowledge Mobilization and Community Engagement Specialist

Dr. Priscilla Medeiros has passionately led community-engaged research and the implementation of research findings into practice for over 10 years. Recent highlights of her work include co-leading efforts to educate healthcare professionals using a Women-Centred HIV Care Model. Her work also includes being an implementation science collaborator with the Center for Implementation to support building a readiness toolkit for integrating social-emotional learning into the classroom. 

Priscilla holds a PhD in Anthropology from McMaster University and a Postdoctoral Fellowship from Women’s College Hospital. 


Susitha Wanigaratne

Susitha Wanigaratne, MHSc, PhD

Senior Research Associate

Dr. Susitha Wanigaratne is a Senior Research Associate at the Leong Centre for Healthy Children and a social epidemiologist. Her work examines im/migration as a social and structural determinant of health. She strives to harness the power of administrative health and social data to contribute to and help facilitate positive social change which improves the health and well-being of minoritized communities.

She holds a PhD in Epidemiology and a Masters of Health Science from the Dalla Lana School of Public Health at the University of Toronto. 

Janavi Shetty

Janavi Shetty, BSc, MPH

Research Coordinator

Janavi Shetty is passionate about improving child health through evidence-based research. Her interest in child health research emerged while completing her undergraduate thesis project on factors associated with pediatric sleep problems. During her MPH she completed practicum placements with the Cundill Centre for Child and Youth Depression at CAMH and with the Department of Health Promotion, Chronic Disease and Injury Prevention at Public Health Ontario. She is excited to join the Leong Centre and contribute to research that aims to address child health inequities.

Janavi holds a Bachelor of Science in Psychology from Western University and a Master of Public Health in Epidemiology from the Dalla Lana School of Public Health at the University of Toronto.