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SEC filingTransAlta appointed Mike Politeski as CFO and Grant Arnold as CCO, coinciding with Joel Hunter's transition to CEO following John Kousinioris's retirement.
TransAlta announced a significant leadership transition involving the appointment of two new executive officers and a change in the chief executive position. Mike Politeski has been appointed Executive Vice President, Finance and Chief Financial Officer, effective May 1, 2026. He brings over 25 years of experience in capital markets and financial strategy, most recently serving as Senior Vice President, Finance & Treasurer at Veren Inc. Grant Arnold joins as Executive Vice President, Growth and Chief Commercial Officer effective May 6, 2026, bringing over 30 years of experience in the power generation and energy sector, including a previous role as President and CEO of BluEarth Renewables Inc. These appointments coincide with the transition of current CFO Joel Hunter to the role of President and CEO, succeeding John Kousinioris who is retiring effective April 30, 2026.