Jerry V. DeMarco assumed the role of Commissioner of the Environment and Sustainable Development in February 2021. A lifelong interest in nature and a 25-year career devoted to working in the environmental field have positioned Mr. DeMarco as a leading Canadian expert in environmental policy and law.

Before joining the OAG, from 2019 to 2021, Mr. DeMarco served as Commissioner of the Environment and Assistant Auditor General at the Office of the Auditor General of Ontario.

In addition to a bachelor’s degree from the University of Windsor, Mr. DeMarco has a law degree from the University of Toronto and master’s degrees in environmental studies (York University), management (McGill University), and science (University of Toronto). He also holds a diploma in French studies from the Université de Savoie and certificates in adjudication and alternative dispute resolution. He is a member of the Law Society of Ontario and a Registered Professional Planner and member of the Canadian Institute of Planners.