Guillaume Marion Photo

Guillaume Marion

Partner, CFO

Guillaume is Partner, CFO at Diagram. Prior to Diagram, he was working in London, United Kingdom in the investment banking division of HSBC in its Financial Institutions Group. Prior to HSBC, Guillaume was based in Berlin, Germany as part of Rocket Internet, the world’s largest incubator of technology startups, where he was CFO of a fintech portfolio company. Previously, he spent five years at PSP Investments in Canada in its direct private equity group and in its internal hedge fund. He started his career at Genuity Capital Markets in its mergers and acquisitions team.

Guillaume sits on the Board of Directors of the Montreal Economic Institute, a leading Canadian think tank, where he is also a member of the Investment Committee, and the Board of Directors of the Opéra de Montréal. Guillaume is a Chartered Financial Analyst and a Chartered Alternative Investment Analyst. He holds a Bachelor in Business Administration from HEC Montreal and a Masters in Finance from London Business School.