Lawyer Profile
Sean Weir
Toronto, Ontario
Overview
Sean Weir is a former Borden Ladner Gervais LLP lawyer and firm leader. He served as BLG's National Managing Partner and CEO from March 1, 2000 to July 1, 2018, helping lead the merger of five regional firms that formed BLG; BLG then identified him as Vice Chair, focused on strategic firm priorities, international initiatives and client relationships. His legal practice advised financial institutions, corporations and major pension funds, with experience in corporate and commercial law, banking and finance, corporate financing, pension and retirement plans, securities, employment and labour, civil litigation, and natural resources and energy. He is currently Executive Chair of Tribunals Ontario, with a five-year renewal effective December 2, 2025.
Practice Areas
Bar Information
Called to the bar: 1981 (ON)
Professional Details
Education
LLB, University of Windsor, 1979
Associations
Canadian Bar Association, past chair of the Pension Law Section of the Ontario branch
Ontario Bar Association
Law Society of Ontario
Pension Commission of Ontario Legal Advisory Committee, past chair
Oakville Trafalgar Memorial Hospital, former board member
Oakville Hydro, former director and chair
Town of Oakville, former elected councillor
Awards & Recognition
Diversity Champion, Women of Influence Magazine
Lexpert Zenith Managing Partner Award for Corporate Social Responsibility
Listed in the Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada
Articles & Speeches
What is New at Tribunals Ontario: A Conversation with Executive Chair Sean Weir, Ontario Bar Association continuing professional development program, November 27, 2024