Brooke MacKenzie

BA, JD (Queen's), LLM (Toronto), of the Ontario Bar

Brooke MacKenzie advises and represents clients in the areas of legal ethics, professional regulation and liability, and civil appeals and judicial reviews. She is currently recognized in Best Lawyers™ in Canada in the areas of administrative and public law.

Brooke regularly assists lawyers and health professionals with regulatory complaints, investigations, and disciplinary proceedings, as well as litigation alleging conflicts of interest or professional negligence. She also has significant appeal experience, having successfully represented clients before the Supreme Court of Canada, Court of Appeal for Ontario, Federal Court of Appeal, Divisional Court, and numerous administrative appeal tribunals.

In addition to her advocacy practice, Brooke frequently provides legal opinions and practical advice to law firms and lawyers on professional obligations, including duties to clients when lawyers transfer firms; confidentiality and privilege issues; and regulations regarding law practice management and ownership.

Brooke’s writing on professional responsibility, tort law, and civil procedure is widely published, including in the Supreme Court Law Review, Osgoode Hall Law Journal, and Canadian Bar Review. She is also a regular legal ethics columnist at