Erin Mahoney is Commissioner of Environmental Services for York Region, overseeing water and wastewater services, waste management, forestry, corporate energy and Corporate Asset Management for 1.2 million residents and 28,000 businesses. Erin leads a team of over 400 staff in the Environmental Services department, which was inducted into the Leading Utilities of the World network in 2017.

Erin is a Board member of the Federal Sustainable Development Technology Canada and past Chair of the Regional Public Works Commissioners of Ontario. She also has served on the board of WaterTAP, a Canadian water technology accelerator.

She has over 30 years of public and private sector leadership experience on water and wastewater service delivery, policy, environmental legislation and public engagement.

Erin is currently leading a department-wide transformation to digital in Environmental Services.

As an active member of the public works community she holds memberships with Global Water Leaders (GWI), Canadian Chamber of Commerce, Toronto Region Board of Trade, American Public Works Association and American Water Works Association.