Board of Directors

John A. Brussa

Mr. Brussa has been a partner of Burnet, Duckworth & Palmer LLP since 1987 and is presently the head of its tax group. Mr. Brussa is a director of several public oil and gas companies. Mr. Brussa obtained a Bachelor of Arts degree from the University of Windsor in 1978 and a Bachelor of Laws degree, with Gold Medalist distinction, from the University of Windsor in 1981. He articled with Burnet, Duckworth & Palmer LLP and was admitted to the Law Society of Alberta in June, 1982.

David D. Johnson

Mr. Johnson has over 30 years of diverse experience in the oil and gas industry including a background in production, reservoir evaluation and operations. He has a B.Sc. in Petroleum Engineering, is a member of the Association of Engineers, Geologists and Geophysics of Alberta and has served twice as a governor of the Canadian Association of Petroleum Producers.

M. Scott Ratushny

Mr. Ratushny has over 20 years of diverse oil and gas experience and has been involved in the creation, financing and growth of 9 successful private and public oil and gas companies. He has also been involved as director of two public oil and gas service companies. He has had a track record of creating value for his shareholders in each of the predecessor companies.

Stephanie Sterling

Ms. Sterling is Cardinal Energy Ltd.’s lead director.

Ms. Sterling holds a Bachelor of Science (Mechanical Engineering) degree and an MBA from the University of Alberta. Ms. Sterling is a recently retired senior executive with Shell Canada with over 25 years’ experience in engineering, large project start-up and operations, governance, joint venture negotiations and relationships, risk management, business development and strategic planning. She has served as General Manager for Non-Technical Risk Integration, Community and Indigenous Relations for Shell in Canada, USA and Latin America where she was responsible for integrating risk management into new projects. She also served as the Vice President Business and Joint Ventures for Shell’s Heavy Oil business, where she was responsible for the joint venture governance, commercial negotiations and relationships for two significant joint ventures: the Athabasca Oil Sands Project among Shell, Chevron and Marathon; and the AERA joint venture in California between Shell and Exxon.

Gregory Tisdale

Mr. Tisdale has worked in the oil and gas industry since 1995, having held a variety of roles with companies such as Crescent Point Energy, Direct Energy Marketing Ltd., AltaGas Services Inc., Shell Trading Gas and Power Canada Ltd. and Engage Energy Inc. Mr. Tisdale has served and currently serves on the board of directors of several junior oil and gas companies. He is a member of the Institute of Chartered Accountants of Alberta. Mr. Tisdale holds a Bachelor of Commerce degree (with distinction) from the University of Alberta.