Gregory Ko is a partner at Kastner Ko LLP, with expertise in employment law, human rights, public law, and civil litigation. He represents clients in workplace disputes at all levels of court in Ontario, advancing litigation in wrongful dismissal, harassment, and human rights claims. Greg also acts for professional regulators and regulated professionals in disciplinary proceedings.

Greg maintains an extensive public interest litigation practice, with a focus on constitutional law, administrative law, and LGBTQ+ rights. Greg also acts as an independent investigator in highly sensitive matters for a wide range of organizations, including universities, hospitals, and not-for-profits organizations.

Greg is an adjunct professor at the University of Toronto Faculty of Law. He served as chair of the Ontario Bar Association’s Sexual and Gender Diversity Alliance Section and chair of the Chinese and Southeast Asian Legal Clinic.

Greg graduated from the McGill Faculty of Law and holds a Master of Laws from the University of Toronto. He practises in English and French, and speaks conversational Cantonese, Spanish, German, and Mandarin.