Professor Daniel Sellen

Professor Daniel Sellen
Director, Joannah & Brian Lawson Centre for Child Nutrition

Daniel Sellen is cross-appointed in three faculties at the University of Toronto as Distinguished Professor of Anthropology and Global Health, Professor of Nutritional Sciences, and Professor of Social and Behavioural Health Sciences. He is also Senior Resident Scholar at the SickKids Centre for Global Child Health. He has served in many administrative roles at UofT, most recently as the inaugural Associate Dean of Research at the Dalla Lana School of Public Health, and has a wealth of teaching, supervisory and academic mentoring experience.

An expert in child nutrition, human ecology and international health with over 25 years of experience leading cross-disciplinary studies of child and family nutrition security, Prof. Sellen has contributed to more than 70 original research articles published in peer reviewed scientific journals and books, and more than 280 invited lectures and presentations at academic institutions, organizations and scientific conferences. He has initiated or collaborated on research in a range of vulnerable communities in a dozen countries, including nomads in Tanzania, rural and urban low income families in Guatemala, Mexico, and Kenya, families living with HIV in Ghana and Kenya, adolescent mothers in Bangladesh, resettled refugees in Britain and America, and new Canadians.

A graduate of the University of Oxford, where he read zoology and biological anthropology, Prof. Sellen completed graduate studies in anthropology at the University of Michigan, and received his PhD in ecology and international nutrition from the University of California, Davis. Prof. Sellen held academic appointments at University College London, The London School of Hygiene and Tropical Medicine and Emory University before joining the University of Toronto in 2004 as Canada Research Chair in Human Ecology and Public Nutrition. 

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Executive Committee

Dean Trevor Young

Dean Trevor Young
Chair, Lawson Centre Executive Committee

Trevor Young has been Dean of the University of Toronto’s Temerty Faculty of Medicine and Vice Provost, Relations with Health Care Institutions since 2015. He has been Professor of Psychiatry and Behavioural Neurosciences at McMaster University; Professor and Head, Department of Psychiatry at the University of British Columbia; and Professor and Chair of the Department of Psychiatry at the University of Toronto. He was also Physician-in-Chief, Executive Vice President Programs at the Centre for Addiction and Mental Health in Toronto. Prof. Young is a clinician-scientist who studies the molecular basis of bipolar disorder and its treatment, and has led several large clinical programs including the Mood Disorders Program at Hamilton Psychiatric Hospital.


Professor Lynn Wilson

Professor Lynn Wilson
Vice Dean, Clinical and Faculty Affairs, Temerty Faculty of Medicine

Lynn Wilson is a Professor in the Department of Family & Community Medicine at the University of Toronto. She has been a comprehensive family physician since 1986. Her interests have included palliative care, addiction medicine, obstetrics, and global health. Prof. Wilson has co-led a number of provincial and national projects regarding substance abuse education for physicians and is the co-editor of two textbooks on addiction medicine. Prof. Wilson was Vice Dean, Partnerships in the Temerty Faculty of Medicine from 2016 to 2020, responsible for the Faculty’s ongoing relationships with nine fully affiliated hospitals and 18 community-affiliated hospitals and health facilities, as well as government, community organizations and international collaborators. Her current role includes partnerships as well as clinical faculty appointments and related matters, such as professional values and faculty wellness. 


Professor Justin Nodwell

Professor Justin Nodwell
Vice Dean, Research and Graduate Education, Temerty Faculty of Medicine

Justin Nodwell was appointed Vice Dean, Research and Graduate Education on May 1, 2021. In this new combined portfolio, Prof. Nodwell provides leadership and oversight of Temerty Medicine’s research activities and two key education activities — graduate education and undergraduate life sciences education. Dr. Nodwell is a Professor in the Department of Biochemistry, where he previously held the role of Chair for seven years. As Chair, he coordinated the department’s move to MaRS, and oversaw the department’s expansion through several faculty recruits and cross-appointments. He also undertook renewals of the undergraduate and graduate programs, and successfully implemented laboratory rotations for incoming graduate students.


Photo of Professor Meredith IrwinProfessor Meredith Irwin
Chair, Department of Paediatrics

Meredith Irwin was appointed Chair of the Department of Paediatrics at U of T and Chief of Paediatrics at The Hospial for Sick Children in 2020. She holds cross-appointments at U of T in Medical Biophysics and Laboratory Medicine & Pathobiology. Prof. Irwin is a Senior Scientist in the Cell Biology program in SickKids’ Research Institute, as well as a paediatric oncologist and a global leader in the development of clinical trials and novel biomarkers for patients with neuroblastoma. Prof. Irwin is also Co-Director of the Neuroblastoma Program and Head of the Solid Tumour Section of the Division of Haematology/Oncology, where she serves as an Attending Physician.




Professor David TannenbaumProfessor David Tannenbaum
Interim Chair, Department of Family and Community Medicine

David Tannenbaum is an Associate Professor and Deputy Chair of Partnerships at the Department of Family and Community Medicine, and the Family Physician-in-Chief in the Ray D. Wolfe Department of Family Medicine at Sinai Health System. He has an active clinical practice and teaches residents and medical students in the Granovsky Gluskin Family Medicine Centre where he is also the lead physician of the Mount Sinai Academic Family Health Team. Prof. Tannenbaum is Chair of the University of Toronto Faculty of Medicine Postgraduate Board of Medical Assessors and Chair of the Ontario Health Technology Advisory Committee at Health Quality Ontario. His main academic interests include innovations in curriculum design and implementation in residency. 



Professor Deborah O'ConnorProfessor Deborah O'Connor
Chair, Department of Nutritional Sciences

Deborah O’Connor has been Chair of the Department of Nutritional Sciences since 2018. She holds a departmental chair in Vitamin Research in Human Milk and Development at U of T, and has scientific appointments at The Hospital for Sick Children and Mount Sinai Hospital. She is also a faculty member in the Joannah & Brian Lawson Centre for Child Nutrition. At SickKids, Prof. O'Connor served as Director of Clinical Dietetics and Breastfeeding Support from 2000 to 2012 and then as Associate Chief of Academic and Professional Practice until 2013. She studies maternal and infant nutrition and has published extensively on the nutritional requirements of pregnant and lactating women, and on strategies to help provide human milk to vulnerable infants.