Guylaine Saucier is a Canadian businessperson who has been at the helm of 7 different companies. Currently, she is Chairman of Grand Challenges Canada. Ms. Saucier is also Member of Order of Canada and on the board of 10 other companies.

In the past she occupied the position of Chairman at 2158-4933 Quebec, Inc., Chairman at 9155-4676 Quebec, Inc., Chairman & Chief Executive Officer at Gérard Saucier Ltd., Chairman for Canadian Broadcasting Corp., Chairman of Canadian Institute of Chartered Accountants and President of Quebec Chamber of Commerce.

She received an undergraduate degree from HEC Montréal, an undergraduate degree from Collège Marguerite-Bourgeois and a doctorate from Université Laval.