TORONTO — Prime Minister Mark Carney has named Canada’s former ambassador to the United Nations as his chief of staff.

Carney announced on Sunday that Marc-André Blanchard would begin his post in July, taking over from Marco Mendicino, the former Liberal cabinet minister who had been doing the job on an interim basis.

“Marc-André has a long and distinguished career as one of Canada’s most accomplished builders, legal experts, executives, public servants, and diplomats serving as Canada’s ambassador and permanent representative to the United Nations,” Carney wrote on X.

Blanchard currently serves as an executive at CDPQ Global, a Quebec-based investment firm responsible for managing pension funds and insurance plans.

In his post on X, Carney confirmed that Mendicino would remain his i

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