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People ·April 12, 2026 ·person

Mark Carney

Who they are

Mark Carney is the Prime Minister of Canada, having previously served as Governor of the Bank of Canada and then Governor of the Bank of England — the only person to hold central bank leadership in two G7 countries. A career central banker who moved into climate finance and then elected politics, he is a study in how technical credibility and crisis-tested judgment can translate across very different institutions. Useful reference when thinking about how leaders earn the authority to make unpopular calls.

Core Ideas

  • Credibility is a bank account — you can only withdraw what you've deposited
  • Policy under uncertainty — act on the balance of risks, not certainty
  • Climate finance as a market-shaping exercise
  • Karl Popper — same tradition of acting carefully under uncertainty
  • Jeff Bezos — contrasting "one institution for 30 years" leadership arc

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