Lesley Gallinger

President and CEO


Lesley Gallinger is President and Chief Executive Officer of Ontario’s Independent Electricity System Operator. Under her leadership, the IESO oversees the safe and reliable operation of Ontario's bulk electricity system, ensuring affordable electricity is available when and where people need it.
Throughout her career, Ms. Gallinger has focused on driving strategic change within complex organizations to deliver stakeholder value. Prior to joining the IESO, she served as President and Chief Executive Officer of Elexicon Energy, a large municipally-owned electricity distributor in Ontario, which she led through a sizeable merger integration. She has also held senior roles in the electricity sector that include Chief Strategy and Financial Officer at the Electrical Safety Authority as well as VP, Corporate and Regulatory Affairs and Chief Financial Officer at Oakville Hydro.