Mary-Agnes is the Executive Vice President, Chief Operating Officer and Chief Nurse Executive at Mackenzie Health, overseeing all clinical operations sited at both Mackenzie Richmond Hill Hospital, Cortellucci Vaughan Hospital, the Reactivation Care Centre, as well as multiple regional and community-based programs for Chronic Kidney Disease, Stroke, Behavioural Health and Brain Injury Services. As part of the clinical services portfolio, Mary-Agnes also oversees Quality, Patient Safety, Integrated Risk, and Professional Practice.

Throughout her career, Mary-Agnes has continuously demonstrated a strong commitment to collaborative and interprofessional practice, education and research, in addition to extensive operational experience in clinical programming and strategic planning. At the height of the COVID-19 pandemic, Mary-Agnes led Mackenzie Health’s pandemic response and opened Cortellucci Vaughan Hospital ahead of schedule, in collaboration with the province to alleviate pressures faced across the system. Mary-Agnes also led corporate operational planning and readiness efforts for the highly successful opening of the new Cortellucci Vaughan Hospital, as a full-service hospital.

Mary-Agnes holds a Bachelor and Master of Nursing degree from the University of Toronto and a PhD from McMaster University. She also serves as an advisory member for the Canadian Nurses Association and was most recently appointed to the Governing Council for the University of Toronto.