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Executive team

​Our executive team brings together a unique combination of experiences to deliver value to our shareholder, while helping to power your home, businesses and communities. 


Gianna Manes Gianna Manes
President and Chief Executive Officer


Pat MacDonaldPat MacDonald
Executive Vice President
People, Communications​, and Engagement
James McKeeJames McKee
Executive Vice President, Technical Services


Dale McMaster Dale McMaster
Executive Vice President, Power Delivery


Dave Rehn Dave Rehn
Executive Vice President, Competitive Energy

Helen WesleyHelen Wesley
Executive Vice President and Chief Financial Officer​


Erica YoungErica Young
Executive Vice President, Regulatory and Chief Legal Officer


Rob Hemstock
Rob Hemstock
Special Counsel to CEO



Lonnie EnnsLonnie Enns
Senior Vice President, Energy Marketing


Tamera Van Brunt
Tamera Van Brunt
Vice President, Communications and Engagement


Diana Stephenson Diana Stephenson
Chief of Staff and Shareholder Relations




All customers are free to purchase natural gas services from the default supply provider or from a retailer of their choice and to purchase electricity services from the regulated rate provider or from a retailer of their choice. The delivery of natural gas and electricity to you is not affected by your choice. If you change who you purchase natural gas services or electricity services from, you will continue receiving natural gas and electricity from the distribution company in your service area. For a current list of retailers you may choose from, visit or call 310-4822 (toll free in Alberta).

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