Dr. Gary Newton

Dr. Gary Newton assumed the role of President and CEO of Sinai Health in 2016. He currently serves as Chair of the Board of Directors of Proximity Institute, and a member of the Boards of Directors of the Ontario Hospital Association, the Ontario Clinical Imaging Network and the Regional Geriatric Program of Toronto. Dr. Newton was Chair of the Toronto Academic Health Science Network (TAHSN) from 2017 to 2021 and Chair of the Board of Directors, Ontario Clinical Imaging Network (formerly Hospital Diagnostic Imaging Repository Services) from 2021 to 2024. 

A well-respected physician leader, Dr. Newton held the position of Physician-in-Chief of Mount Sinai Hospital from 2013 to 2015, until his appointment to the role of Chief Medical Strategy Officer and Physician-in-Chief of the newly formed Sinai Health System in 2015.

As a practicing cardiologist, Dr. Newton was Head of the Division of Cardiology, Mount Sinai Hospital and University Health Network from 2009 to 2013. With an active research program in human physiology, his focus was on congestive heart failure and investigating nutritional issues in patients with heart failure. From 2017 to 2020, he served as the Chair of the Scientific Research Committee of the Heart and Stroke Foundation of Canada.

Dr. Newton is a graduate of University of Toronto’s Medical School. He completed internal medicine at the University of Toronto and trained in adult cardiology at the University of Ottawa Heart Institute. This was followed by specialty training in heart failure, combined with an integrative cardiac physiology fellowship at Mount Sinai Hospital in Toronto. In 1996, he joined the University of Toronto’s Department of Medicine where he distinguished himself as a mentor to junior faculty. In 2016, Dr. Newton was awarded the Robert Hyland Award for Excellence in Mentorship by the Department of Medicine, University of Toronto.