Corporate Officers

Dawn Farrell

Dawn Farrell

President and Chief Executive Officer
Dawn Farrell is President and Chief Executive Officer of TransAlta Corporation, a director of TransAlta Corporation, a director of The Chemours Company and a member of the Trilateral Commission. She also sits on the boards of The Conference Board of Canada and the Business Council of Canada and is a member of The Canada-U.S. Council for Advancement of Women Entrepreneurs and Business Leaders.

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Donald Tremblay

Donald Tremblay

Chief Financial Officer
Donald Tremblay is responsible for all financial policy, planning and reporting, tax, treasury, risk management, internal audit and investor relations.

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Brett Gellner

Brett Gellner

Chief Investment Officer
Brett Gellner oversees all strategic corporate investments, M&A, and greenfield projects. Brett was previously Chief Financial Officer of TransAlta Corporation. He is also on the board of TransAlta Renewables Inc.

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Dawn de Lima

Dawn de Lima

Chief Administrative Officer
Dawn de Lima is responsible for leading Human Resources, Information Technology, Corporate Communications, Aboriginal Relations and Corporate Security, as well as overseeing the company’s General Administration.

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John Kousinioris

John Kousinioris

Chief Legal and Compliance Officer and Corporate Secretary
John Kousinioris is responsible for directing TransAlta’s legal affairs, government relations, regulatory compliance and corporate secretarial matters. He is also the President of TransAlta Renewables Inc.

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Aron Willis

Aron Willis

Senior Vice-President, Gas & Renewables
Aron Willis leads TransAlta’s Gas and Renewable operations and oversees the company’s operations services team, including Supply Chain Management, EH&S, Operations Integrity and the project management office. Aron is also responsible for managing all joint ventures and partnerships relating to TransAlta’s gas, wind, hydro and solar operations and the regulated transmission business.

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Wayne Collins

Wayne Collins

Executive Vice-President, Coal and Mining Operations
Wayne Collins is responsible for overseeing all of TransAlta’s coal and mining operations as well as corporate engineering and technical services.

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Jennifer Pierce

Jennifer Pierce

Senior Vice-President, Trading & Marketing
Jennifer Pierce leads TransAlta’s Energy Marketing and Trading business unit, which provides energy management services to commercial, industrial and wholesale customers as well as manages and markets the company’s generation portfolio.

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Todd Stack

Todd Stack

Managing Director, Corporate Controller
Todd Stack is responsible for providing leadership and direction over TransAlta’s financial activities and control, corporate accounting and reporting, tax, insurance and pensions.

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Brent Ward

Brent Ward

Managing Director & Treasurer
Brent Ward is responsible for leading corporate finance, cash management, corporate planning, and foreign exchange and interest rate risk management. He is also the Managing Director and Treasurer of TransAlta Renewables Inc.

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Scott Jeffers

Scott Jeffers

Assistant Corporate Secretary and Legal Counsel
Scott Jeffers is responsible for many of TransAlta’s corporate secretarial matters, including corporate governance, disclosure and securities compliance matters. He is also responsible for certain corporate/commercial legal matters and is the Corporate Secretary of TransAlta Renewables Inc.

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