A. Stewart Hanlon is a businessperson who has been the head of 7 different companies. Presently, Mr. Hanlon holds the position of Chairman for Questor Technology, Inc., Chairman of Source Energy Services Ltd. and President & Chief Executive Officer at Canwest Propane Partnership. Mr. Hanlon is also on the board of Hammerhead Resources, Inc. and Hammerhead Energy, Inc. and Member of Institute of Chartered Accountants of Alberta, Member of Institute of Chartered Accountants of Saskatchewan, Member of Chartered Professional Accountants of Alberta and Member of Igbo Cultural Association of Saskatchewan.

In the past he occupied the position of President, Chief Executive Officer & Director at Gibson Energy, Inc. President & Chief Executive Officer for Gibson Energy ULC, President, Chief Executive Officer & Director at Gibson Energy Holding ULC and President, Chief Executive Officer & Director at GEP Midstream Finance Corp. (which are all subsidiaries of Gibson Energy, Inc.).

A. Stewart Hanlon received an undergraduate degree from the University of Saskatchewan.