Brett M. Gellner

Brett M. Gellner

Corporate Director

Brett Gellner is the Chief Development Officer of TransAlta. In this role he oversees strategic corporate investments, mergers and acquisitions as well as greenfield projects. He was also interim Chief Financial Officer for TransAlta from April 2018 to November 2018. Previously, he was President and Designated Chief Executive Officer of the Company from July 2013 to November 2017. He was Chief Financial Officer of TransAlta from 2010 to 2014. Prior thereto, he was Vice-President, Commercial Operations and Mergers & Acquisitions at TransAlta. Prior to joining TransAlta, Brett spent 12 years in investment banking covering the power, pipeline, midstream and forest products sectors.

Brett has a master’s degree specializing in economics from the University of Alberta and holds a Chartered Financial Analyst designation. He has also completed the Advanced Management Program at Harvard University.