Mark is a Toronto based litigation lawyer focused on regulated sectors, representing consumer and stakeholder interests before courts, agencies, and tribunals. Mark also provides advice and complex legal opinions and on a wide-range of regulatory issues.

Mark has a significant energy regulatory practice, and frequently appears before the Ontario Energy Board representing clients in utility distribution and transmission rate applications, leave to construct proceedings, policy consultations, IESO market rules reviews, and a wide variety of other matters. He also provides advice to energy sector participants regarding the interpretation of codes, rules and practices.

Mark is currently a member of the Ontario Energy Board’s Adjudicative Modernization Committee. He was previously a member of the Regulatory Affairs Standing Committee, as well as other working and advisory groups. Mark has been recognized in the in the 2021 and 2022 editions of ‘Best Lawyer’ in Canada for Energy Law and Energy Regulatory Law. He also previously been included as a leading lawyer for Energy – Provincial Regulatory (Ontario) in the 2020 and 2021 editions of Chambers Canada guide.

Mark has also represented clients on numerous occasions before the Divisional Court, Court of Appeal, and Supreme Court of Canada on appeals and judicial reviews.

Mark obtained his B.A (Honours) from Carleton University and his J.D. from Queen’s University. Mark is a member of the Canadian Bar Association, Ontario Bar Association, and The Advocates’ Society. He currently sits on the executive of the Ontario Bar Association’s Administrative Law Section and is the Past Chair of the Natural Resources and Energy Law Section.