Executive Team
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MainPower’s Executive Team drive the company’s vision, strategy, and operations.
The Exectutive Team manage day-to-day activities, make critical decisions, and foster innovation. By leading various departments, they ensure alignment with corporate goals, enhance performance, and maintain a healthy organisational culture. Their expertise guides the company toward growth and long-term success.
Find out more about the MainPower Executive Team below.
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Executive Team
Damien Whiffen
Acting Chief Executive
Sarah Barnes
General Manager Finance & Information Technology - On sabbatical until Oct 2025
Mark Dawson
Acting General Manager Finance & Information Technology
Sandra O’Donohue
General Manager People and Culture
Peter Cairney
General Manager Service Delivery
Penny Kibblewhite
General Manager Customer and Corporate Relations
Todd Voice
General Manager Commercial
Andy Lester
Chief Executive - Resignation effective 1 June 2025
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