Corporate Officers

President and Chief Executive Officer
Dawn Farrell became President and CEO of TransAlta Corporation on January 2, 2012. Mrs. Farrell has over 29 years of experience in the electric energy industry, holding roles at TransAlta and BC Hydro.
Chief Financial Officer
Donald Tremblay is responsible for all financial policy, planning and reporting, tax, treasury, risk management, internal audit and investor relations.
Chief Investment Officer
Brett Gellner oversees all strategic corporate investments, M&A, and greenfield projects. He is also President of TransAlta Renewables Inc.
Chief Human Resources and Communications Officer
Dawn de Lima is responsible for leading the human resources, corporate communications, media relations and general services teams.
Chief Legal and Compliance Officer
John Kousinioris is responsible for directing TransAlta’s legal affairs, regulatory compliance and corporate secretarial matters, government and aboriginal affairs and sustainable development.
President, TAMA Transmission; Executive Vice-President, Corporate Services, TransAlta
Cynthia Johnston is Executive Vice-President for Corporate Services at TransAlta, responsible for IT, Supply Chain Management, Engineering & Construction, Land and the company’s Project Management Office. She was formerly Vice-President of Renewable Operations, accountable for TransAlta’s wind and hydro generation operations across five Canadian provinces. In addition, Ms. Johnston is President of TAMA Transmission, where she oversees the TransAlta-MidAmerican partnership that focuses on competitive transmission projects in Alberta.
Executive Vice-President, Trading and Marketing
Rob Schaefer is responsible for Corporate Development at TransAlta, which includes marketing and trading operations.
Executive Vice-President, Coal and Mining Operations
Wayne Collins is responsible for overseeing all of TransAlta’s coal and mining operations.
Vice-President, Legal and Corporate Secretary
Maryse Saint-Laurent is responsible for TransAlta’s Board, subsidiary, corporate governance, corporate structuring, disclosure and securities compliance matters for TransAlta Corporation, and is responsible for directing all legal matters of TransAlta Renewables Inc.
Vice-President, Controller
David Koch is responsible for providing leadership and direction over TransAlta’s financial activities and control, principally in the areas of corporate accounting and reporting, commercial operations and energy marketing finance, generation finance, accounts payable, taxation, systems and process improvement.
Vice-President and Treasurer
Todd Stack is responsible for all Treasury activities including corporate finance, credit, insurance, pensions, and foreign exchange and interest rate risk management.
Vice-President, Gas and Renewable Operations
Gary Woods is the leader of TransAlta’s Gas, Hydro and Wind Power Generation fleet.
Vice-President, Australia
Aron Willis is responsible for the corporation’s operations and growth efforts in Western Australia.