Brian Rosen

President & CEO, Canada at Colliers

Brian Rosen is the President and Chief Executive Officer | Canada at Colliers International, Canada’s leading commercial real estate services and investment management firm. He assumed the role on March 31, 2020 and is responsible driving growth and establishing the strategic direction of the business in the region. In addition to his role as President and CEO in Canada, Brian is also a member of the global senior executive team that sets the vision and strategy for Colliers International.

Prior to being appointed President and CEO in March 2020, Brian served as Chief Operating Officer I Canada at Colliers, overseeing operations of the Canadian business, including business development, finance and accounting, marketing and communications, IT and human resources. While in this role, Brian worked closely with the senior leadership team to refine Colliers’ fully integrated service offering and establish strategic areas of focus for the business.

Brian has spent his career fostering innovation and driving change, solving complex problems and continuously challenging and improving operations. An experienced General Manager, Corporate Strategist, Sales Leader, and Marketer, Brian worked at Iron Mountain for over a decade before joining Colliers, serving most recently as Senior Vice President and General Manager, Canada. Brian has had extensive experience in both the U.S. & Canada and prior to Iron Mountain was a Corporate Strategist at Avon Products and Management Consultant at Marakon Associates.

Brian holds an MBA from Harvard Business School and an undergraduate degree in Molecular Biology from Princeton University.


  • President & CEO, Canada

    Current role