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Biography

Mark Gillen was appointed to the Faculty of Law in 1987 as assistant professor, was promoted to associate professor in 1992 and to full professor in 2001. He teaches Securities Regulation, Business Associations, Trusts, Tax, Competition Law and Historical Foundations of the Common Law. His primary areas of research are securities law, trusts and corporate law. Mark Gillen was a visiting professor at Nagoya University, Japan in 2005 and has been a visiting professor at Chulalongkorn University, Bangkok, Thailand every year except one since 1999.

Education

• BCom (University of Toronto)
• MBA (Schulich School of Business, York University)
• LLB (Osgoode Hall Law School, York University)
• LLM (University of Toronto)

Selected books

• Securities Regulation in Canada, 4th ed. (Thomson Reuters, 2019);
• Waters' Law of Trusts in Canada, 5th ed. (Thomson Reuters, 2021). Co-author with Donovan Waters and Lionel Smith;
• Business Organizations: Practice, Theory and Emerging Challenges, 3d ed. (Emond Montgomery, 2025). Co-author with Robert Yalden, Bradley Bryan, Barnali Choudhury, Mary Condon, Mohamed Kimji, Carol Liao, Paul Paton, Janis Sarra, Frankie Young, and Peer Zumbansen;

• The Law of Trusts: A Contextual Approach, 4th ed. (Emond Montgomery, 2021). Co-editor with Faye Woodman, and co-author with Faye Woodman, Jeffrey Berryman, David Freedman, Philip Girard, Matthew Harrington, Darcy MacPherson, Kent McNeil, Mary Jane Mossman, Jim Phillips, and Donn Short;

• Corporations and Partnerships: Canada (Kluwer, 1992, revised edition 2023), author.

Other work

• British Columbia Law Institute: board member, treasurer, and chair of the audit committee
• Uniform Law Conference of Canada: Chair of the Charities Definition Working Group and Chair of the Hybrid Organizations Working Group
• Teaching securities regulation each year in the Faculty of Law, Chulalongkorn University, Bangkok, Thailand, LLM in Business Law since 1999

Courses

• Law 313: Securities Regulation 
• Law 315: Business Associations 
• Law 319: Trusts 
• Law 321: Competition Law 
• Law 361: Historical Foundations of the Common Law 
• Law 345: Taxation

Graduate supervision

Professor Gillen is interested in supervising graduate students working on securities regulation, trusts, or business associations.