Carney taps business executive Mark Wiseman to serve as Canada's ambassador to the U.S. | CBC News

World Mark Wiseman speaks during the Reuters Global Investment Outlook Summit in New York in 2017.(Mike Segar/Reuters) Carney taps business executive Mark Wiseman to serve as Canada's ambassador to the U.S. Canada's new top diplomat is a longtime friend of Carney's Prime Minister Mark Carney has picked business executive Mark Wiseman to serve as Canada's ambassador to the U.S. Wiseman, a longtime friend of the prime minister who has held senior roles at some of the country's largest pension funds, takes over the departing Kirsten Hillman on Feb. 15, 2026. Wiseman is headed to Washington at a pivotal time for Canada-U.S. relations. In the months since U.S. President Donald Trump launched his trade war on Canada, the relationship has been badly frayed. Wiseman will be tasked with helping lead the Canada-U.S.-Mexico Agreement (CUSMA) review talks, which are expected to get underway in the new year. As part of those discussions, Wiseman will try and help broker some relief from the punishing tariffs Trump has imposed on goods coming from some key Canadian sectors, like steel, aluminum, autos and lumber. Trump's trade representative, Jamieson Greer, has already laid out what he expects to see from Canada to successfully broker an extension of that crucial pact, including changes to supply management as well as laws that protect Canadian culture, which U.S. tech giants have strenuously opposed. More to come

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