Mike Heenan
Appointed as Interim President and Chief Executive Officer of St. Joseph’s Health System in April 2025, Dr. Michael Heenan leads one of Canada’s largest mission-based, academic health systems with services in acute care, mental health and addictions, long-term care, hospice and home care. Prior to this appointment, Mike joined St. Joseph’s Healthcare Hamilton as President in November 2023.
Before St. Joe’s, Dr. Heenan held executive leadership roles in a variety of hospital settings as well as serving as the Assistant Deputy Minister, Hospitals and Capital, in Ontario’s Ministry of Health during the COVID-19 pandemic.
A visionary, service-based, transparent leader who values engagement and collaboration, Dr. Heenan is widely respected across the province as a knowledgeable, resourceful, and community-minded health leader with a deep understanding of hospital operations, the continuum of care, quality and patient experience, the importance of evidence-based research, and government planning and decision-making processes.
Mike has a Ph.D. in Business, is an Assistant Professor at McMaster University, and has published his work in several peer-reviewed journals.