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Carney investment pick keeps Rio Tinto chairmanship after millions from taxpayers

Carney’s new investment chair will keep leading mining giant Rio Tinto despite his federal role courting investment in sectors where the company has major interests.

Alex Dhaliwal
Sep 03, 2026
∙ Paid
Source: McKinsey & Company

Prime Minister Mark Carney’s newly appointed chair of Invest in Canada will keep his job chairing mining giant Rio Tinto as the federal government courts foreign investment in critical minerals and other major projects.

Dominic Barton, the former global managing partner of McKinsey & Company and former Canadian ambassador to China, was appointed chair of Invest in Canada for a three-year, part-time term.

However, Barton will simultaneously remain chair of Rio Tinto, one of the world’s largest mining companies, as first reported by The Logic.

Rio Tinto said Barton remains “fully committed” to chairing the company as his new federal role seeks billions in investment in sectors where the mining giant has major interests, including critical minerals, energy, artificial intelligence and infrastructure.

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