This is a photo of Gregory G. Turnbull

Turnbull, QC



Contact by email at [email protected]

t. 403-206-5555


Law School

University of Toronto

Bar Admission

Alberta, 1980

Chinese Version

Greg Turnbull, QC is a partner in our Business Law Group in Calgary. Throughout his career, he has dealt with all aspects of a public company’s creation, growth, change and value maximization. He has extensive experience in corporate finance and securities transactions, including public and private share and debt financings, takeover bids, initial public offerings, business combinations and international stock exchange listings. He provides advice to clients in the oil and gas, power and cannabis industries on various corporate finance transactions and has been actively involved in the initial public offerings of more than 40 companies. He has acted as a director or officer for more than 35.

Greg has extensive knowledge of corporate governance issues. He acts as counsel to many boards of directors and special committees in change of control transactions, such as takeover bids (both friendly and hostile), amalgamations, plans of arrangement, asset dispositions, significant equity infusions and restructuring scenarios. Greg also served as an independent chair of contested shareholder meetings.

Greg advises underwriters and investment dealers on a broad range of matters, including financings, takeover bids, corporate assignments and internal regulatory matters.

Greg negotiates and documents numerous complex transactions for both public and private companies, including asset and share transactions, corporate reorganizations, leveraged buyouts, debt financings and various other tax motivated transactions.

Greg is recognized by The American Lawyer Guide to the Leading 500 Lawyers in Canada and The Canadian Legal Lexpert Directory in the areas of corporate commercial law, corporate finance & securities, corporate mid-market, private equity and Energy (Oil & Gas). He is also recognized in the 2017 edition of Best Lawyers in Canada in the areas of corporate, mergers & acquisitions and securities law, and as leading lawyer in the current editions of Who's Who Legal: Energy and Who's Who Legal: Canada (in the areas of capital markets and energy).

Greg has served as a member of the Securities Advisory Committee to the Alberta Securities Commission and is a member of the Law Society of Alberta, Canadian Bar Association and Calgary Bar Association. He received his BA (Honours) from Queens University in 1976 and his LLB from the University of Toronto in 1979.