Don McIsaac

Don McIsaac serves as Mayor of the City of Orillia for the 2022–2026 council term. In 2026, Mayor McIsaac announced that he would not be seeking re-election for a second term.

Born and raised in Orillia, McIsaac attended Park Street Collegiate Institute and Trent University before qualifying as a Chartered Professional Accountant. His public service lineage in Orillia runs deep, as both of his parents previously served as Mayors of the city.

Prior to entering municipal office in 2022, McIsaac led a distinguished corporate turnaround career in both Canada and the United States, guiding major corporations through complex financial restructuring and preserving thousands of jobs.

As Mayor of Orillia throughout the 2022–2026 term, McIsaac focused council initiatives on primary care physician recruitment, physician retention, addressing homelessness and opioid crisis impacts in the downtown core, infrastructure renewals, and fiscal discipline.