Guillaume is the Chief Financial Officer of Diagram. Prior to joining Diagram, he was working in the investment banking division of HSBC in London, UK in its Financial Institutions Group advising global banks, insurers, asset managers, and market infrastructure providers. Prior to HSBC, Guillaume was part of the Rocket Internet ecosystem where he was CFO of Payleven, a financial technology startup based out of Berlin, Germany. Previously, he spent several years at PSP Investments in Montreal, Canada, initially in its direct private equity group and subsequently in its internal hedge fund.
Guillaume is also very active in the community having had several involvements with non-profit institutions in the fields of foreign policy, public policy, corporate governance, academics, and the arts. In addition to being a Chartered Financial Analyst and a Chartered Alternative Investment Analyst, Guillaume holds a Bachelor in Business Administration from HEC Montreal and a Masters in Finance from London Business School.