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Appointee Biographies

Centralized Supply Chain Ontario (Supply Ontario)


George Szewchuk is a Principal for Scewchuk & Associates Inc., and a former Vice President of Purchasing for Maple Leaf Foods Inc. His community involvement includes serving as fund raising Chair for Etobicoke Swim Club.


Allan MacDonald is a Chief Executive Officer for The Bragg Group of Companies. His community involvement includes serving as a member of the board for Sunnybrook Hospital Foundation.


Dr. Gillian Kernaghan is the Past President of St. Joseph's Health Care London, retired 2021. She is a Family Physician who graduated from Western University in 1982 and practiced family medicine in London until 2010. From 1993 to 2010 she served as the VP, Medical for the various hospitals in London. She has served on the OHA Board, CHAO Board, as President of the Canadian Society of Physician Leaders and as Co-Chair of the Canadian Health Leadership Network. She has served on numerous provincial committees and is a frequent speaker at conferences. She has retired as an Associate Professor in the Schulich School of Medicine and Dentistry and is currently a faculty member of the Physician Leadership Institute of CMA Joule.


John Stipan was born and raised in Hamilton Ontario, John is a seasoned Procurement executive with more than 25 years of procurement and supply chain experience in several large multi-national organizations. John attended McMaster University in Hamilton, Ontario where he received a Bachelor of Commerce degree in 1993. John has furthered his education with a concentration in commodity risk management and options trading for agricultural commodities. John has held several progressive roles in finance, supply chain and procurement. As a seasoned procurement executive, John has also led global organizational redesign efforts and has significant experience in acquisitions, divestitures, leading edge procurement tools and performance management.