Headshot of John Kousinioris

John Kousinioris

John Kousinioris is the President and Chief Executive Officer at TransAlta. 

John’s prior leadership roles as Chief Legal and Compliance Officer, Chief Growth Officer and, most recently, Chief Operating Officer, have provided him with responsibility for almost every aspect of TransAlta’s business. He has overseen operations, shared services, commercial, trading, customer solutions, hedging and optimization and business development.  

John also served as President and a director of TransAlta Renewables from 2017 – 2021.  


  • Bachelor of Arts, Honors Business Administration, Ivey Business School of the University of Western Ontario  
  • Master of Business Administration, York University  
  • Bachelor of Laws, Osgoode Hall Law School at York University 
  • Advanced Management Program, Harvard University  

Community Service

  • Vice-Chair, Board of Governors, Bow Valley College