Carney Shuffles Senior Public Service Ranks Amid Push for Execution and Impact
Prime Minister Mark Carney announces high-level federal appointments to advance climate policy, AI innovation, and international engagement.
Ottawa, ON — Prime Minister Mark Carney has announced a series of significant changes to the senior ranks of Canada’s public service, reflecting his government’s drive to refocus federal leadership on execution, delivery, and measurable impact.
The reshuffle comes as part of Carney’s broader mandate to modernize Canada’s public institutions and respond to evolving national and global priorities. The Prime Minister emphasized the need for a public service “focused on execution, delivery, and impact” as the government pursues an ambitious domestic and international agenda.
Key Appointments:
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Jean-François Tremblay, currently Deputy Minister of Environment and Climate Change, will become a Senior Official at the Privy Council Office, effective June 30, as he prepares to assume his new international post as Canada’s Ambassador and Permanent Representative to the OECD.
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Mollie Johnson, presently serving dual roles as Deputy Secretary to the Cabinet for Plans and Consultations and Clean Growth at the Privy Council Office, will take over as the new Deputy Minister of Environment and Climate Change, also effective June 30.
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Nancy Hamzawi, formerly Executive Vice-President of the Public Health Agency of Canada, has been appointed President of the Agency, with her appointment taking effect June 20.
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Alison O’Leary, Assistant Deputy Minister for Federal-Provincial Relations and Social Policy at the Department of Finance Canada, has been promoted to Associate Deputy Minister of Finance, starting June 30.
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Kaili Levesque, Associate Deputy Minister of Fisheries and Oceans, will now provide direct support to the newly appointed Secretary of State (Nature), while Mark Schaan, Deputy Secretary to the Cabinet (Artificial Intelligence), will directly advise the Minister of Artificial Intelligence and Digital Innovation.
Recognizing Public Service Contributions
The Prime Minister also took a moment to recognize the public service careers of Heather Jeffrey, who recently retired as President of the Public Health Agency of Canada, and Suzy McDonald, Associate Deputy Minister of Finance, offering his thanks for their years of service to Canadians.
These appointments mark Carney’s most significant public service changes since taking office, reinforcing the government’s signal to align leadership positions with its strategic agenda in climate action, artificial intelligence, digital transformation, and public health resilience.
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