Christian Mayer has served as Global Chief Financial Officer since January 2020. In March 2026, he was appointed to the additional role of CEO of Commercial Real Estate. He oversees the Commercial Real Estate segment, with a focus on advancing long-term growth and value creation, and continues to lead the company’s enterprise-wide financial strategy.
Prior to 2020, Christian served as Senior Vice President, Finance & Treasurer, managing the firm’s external reporting, treasury and tax functions, as well as related areas in operations, governance and investor relations. Christian joined FirstService Corporation (the predecessor of Colliers) in 1999, where he was responsible for external and internal financial accounting, reporting and analysis functions. In addition, Christian has led and advised on a wide range of corporate finance and development transactions throughout his career.
Christian is a Chartered Professional Accountant and began his career with the accounting firms Grant Thornton and PricewaterhouseCoopers, both in Toronto. Christian holds an Honours Bachelor of Business Administration degree from Wilfrid Laurier University.