Dr. Eileen de Villa served as Toronto’s Medical Officer of Health from 2017 to 2024, leading Toronto Public Health – Canada’s largest local public health agency, serving the city’s 3+ million residents – through the COVID-19 pandemic, the largest vaccination campaign in the city’s history, and the ongoing drug toxicity crisis. Before Toronto, she served as Associate Medical Officer of Health and then Medical Officer of Health for the Region of Peel.

Eileen holds a Bachelor’s degree from McGill University, a Doctor of Medicine and Master of Health Science from the University of Toronto, and an MBA from the Schulich School of Business at York University. She is certified by the Royal College of Physicians and Surgeons of Canada in public health and preventive medicine, is an Adjunct Professor at the Dalla Lana School of Public Health at the University of Toronto, and currently serves as a Senior Fellow at U of T’s Institute of Health Policy, Management and Evaluation.