Enmax Corp - Company Profile

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Enmax Corp: Executives

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The following section provides information on Enmax Corp’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Enmax Corp's management and employees, unlock the full data with our company analytics monitoring tool.

Executives

Charles Ruigrok

Chairman Executive Board

Mr. Charles Ruigrok is the Chairman of the company. Previously, he served as interim President and Chief Executive Officer of the company. Prior to this, he served as the Chief Executive Officer of Syncrude Canada Ltd. Earlier, Mr. Ruigrok held various senior management positions, including Vice President of Oil Sands Development and Research in Imperial Oil.

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Mark Poweska

Director; Chief Executive Officer; President Executive Board Since: 2022

Mr. Mark Poweska has been the President, Chief Executive Officer, and Director of the company since 2022. Previously, he served as the President and the Chief Executive Officer at Hydro One. Prior to this, he served as the Executive Vice President of Operations at BC Hydro. Prior to this, he also served as Director of the Western Energy Institute and Chairman of the Board of the Ontario Energy Association. Currently, Mr. Poweska also serves as a Director of the 2025 Invictus Games.

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Sheri Primrose

Chief Financial Officer; Executive Vice President Senior Management Since: 2026

Ms. Sheri Primrose has been the Chief Financial Officer and the Executive Vice President of the company since 2026. Previously, she served as a Director of Versant Power. Earlier, she served various roles in the electricity generation, retail and customer operations, wholesale commodity trading, and commercial programs of the company.

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Sarah Stevens

Chief Legal Officer; Senior Vice President - Regulatory Senior Management Since: 2024

Ms. Sarah Stevens has been the Senior Vice President of Regulatory and Chief Legal Officer of the company since 2024. Previously, she served as the Vice President of Customer Relations and System Development at Enmax Power. Prior to this, she served as Director of Legal Services for the company. Currently, Ms. Stevens also serves as a Director at Versant Power.

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Brandie Yarish

Chief Human Resources Officer; Executive Vice President - Safety and Information Technology Senior Management

Ms. Brandie Yarish has been the Chief Human Resources Officer and an Executive Vice President of Safety and Information Technology at the company. Previously, she served as the Associate Vice President of Human Resources at the Southern Alberta Institute of Technology. Earlier, she served various roles across various sectors, including technology, life sciences, municipal government, and higher education.

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