Energy

TransAlta Appoints Mike Politeski as CFO and Grant Arnold as CCO

ByTheEnergyMag AI

•11h ago•1 min read

TransAlta Appoints Mike Politeski as CFO and Grant Arnold as CCO

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Key Takeaways

Mike Politeski appointed EVP and CFO effective May 1, 2026.
Grant Arnold appointed EVP and CCO effective May 6, 2026.
Joel Hunter to succeed John Kousinioris as President and CEO on April 30, 2026.

TransAlta Corporation (NYSE: TAC) (TSX: TA) (NYSE: TAC) announced on April 20, 2026, the appointments of Mike Politeski as Executive Vice President, Finance and Chief Financial Officer, and Grant Arnold as Executive Vice President, Growth and Chief Commercial Officer.

Mike Politeski will assume the role of EVP and CFO on May 1, 2026, while Grant Arnold will become EVP and CCO on May 6, 2026. Politeski brings over 25 years of experience in capital markets, financial strategy, and risk management to the position.

The leadership changes align with the transition of Joel Hunter, the current EVP and CFO, to the role of President and Chief Executive Officer effective April 30, 2026. Hunter succeeds John Kousinioris, who is retiring from the company.

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