Gianna Manes has held the position of President and CEO
of ENMAX since 2012. She is a director of a publicly traded
company, Keyera Corp. and a director of the Canadian
Electricity Association. Gianna previously served as the
Co-Chair of the Calgary United Way campaign and was a
director of the Calgary United Way from 2015 to 2018.
Gianna has 30 years of experience in the energy sector
in Canada, the United States and Europe. Before joining
ENMAX, she served as the Senior Vice President and Chief
Customer Officer of Duke Energy from 2008 to 2012, a
large North American power company based in Charlotte,
Gianna has been recognized for her leadership and
accomplishments throughout her career: as Electricity
Human Resources Canada’s CEO of the Year in 2013, one of
Alberta Venture’s Top 50 Most Influential People in 2015 and
twice-recognized as one of Canada’s Most Powerful Women
by the Women’s Executive Network.
Gianna holds a Bachelor of Science (Industrial Engineering),
a Master of Business Administration and has completed the
Harvard Business School Advanced Management Program.
Gianna also holds an ICD.D designation from the Institute of
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