Michelle E. DiEmanuele

Michelle DiEmanuele was appointed Ontario Secretary of the Cabinet in 2021.  She has spent her career in the public and private sectors leading large-scale service change and cultural transformation. Over 21-years in the Ontario Public Service career, she worked in several ministries, and served as Deputy Minister of Human Resources, Deputy Minister of Government and Consumer Services, and Associate Secretary of the Cabinet.

Michelle returned to the OPS after more than a decade as President and CEO of Trillium Health Partners (THP). In those roles she established the Institute for Better Health, led the largest voluntary hospital merger in Canada between Credit Valley Hospital and Trillium Health Centre, and led the organization through a global pandemic.

Beyond a dedication to public service, Michelle has also served as Vice President of Branch and Small Business Banking, Retail Markets/Human Resources at CIBC, and Vice President of Human Resources and Organizational Development at Brookfield Properties Ltd.

She has been named one of Canada’s 100 Most Powerful Women, and received Queen Elizabeth II’s Diamond Jubilee Medal and the Order of Ontario.

Updated February, 2025