Mark D. Wiseman, Ambassador of Canada to the United States

Biography

Mark Wiseman was appointed as Canada’s Ambassador to the United States in February, 2026.

Mr. Wiseman has 30 years of private sector experience as a CEO, senior executive and investment manager. This experience includes senior leadership positions at BlackRock, as the President and CEO of the Canada Pension Plan Investment Board, and as a senior executive in private investments at the Ontario Teachers’ Pension Plan. He has also held a number of board positions in Canada, the United States and Europe. Mark also has acted as a Senior Advisor and Chairman of Canada at Lazard Inc. and as a Senior Advisor at the Boston Consulting Group. He is well-known as an industry-leading expert in mergers and acquisitions and alternative investments.

He is a co-founder and former Chair of the Focusing Capital on the Long Term initiative. Previously, Mark was an attorney with Sullivan & Cromwell, practicing in New York and Paris. He was previously a law clerk to Madam Justice Beverley McLachlin at the Supreme Court of Canada.

Mark also served on the board of several non-profit organizations, including The Canadian ski team (Alpine Canada), the United Way of Greater Toronto, Sinai Health Services, the Capital Markets Institute and the Dean’s Advisory Board at the Rotman School of Management, University of Toronto.

Born in Niagara Falls, Ontario, Mark holds a Bachelor of Arts from Queen’s University and a law degree and Masters in Business Administration from the University of Toronto. He was also a Fulbright Scholar at Yale University, where he obtained a Masters in Law degree.