Brett M. Gellner
President and Designated Chief Executive Officer
Brett Gellner is President of the Company. Brett is also the Chief Investment Officer of TransAlta and oversees all strategic corporate investments, M&A and greenfield projects.
Senior Vice-President, Gas & Renewables
Aron Willis is the Senior Vice-President, Gas & Renewables of TransAlta Renewables. He is also the Senior Vice-President, Gas & Renewables at TransAlta Corporation, where he 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.
Chief Financial Officer
Donald Tremblay is the Chief Financial Officer of the Company. Donald is also the Chief Financial Officer at TransAlta and is responsible for all financial policy, planning and reporting, tax, treasury, risk management, internal audit and investor relations.
John Kousinioris is the Corporate Secretary of the Company. John is also Chief Legal and Compliance Officer and Corporate Secretary at TransAlta and is responsible for directing TransAlta’s legal affairs, government relations, regulatory compliance and corporate secretarial matters.
Todd J. Stack
Managing Director, Corporate Controller
Todd Stack is the Managing Director, Corporate Controller of the Company. Todd is also the Managing Director, Corporate Controller of TransAlta Corporation and is responsible for providing leadership and direction over TransAlta’s financial activities and control, corporate accounting and reporting, tax, insurance and pensions.