Ontario Power Generation Inc - Company Profile

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Ontario Power Generation Inc: Executives

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

Executives

Nicolle Butcher

President; Chief Executive Officer Senior Management Since: 2025

Ms. Nicolle Butcher has been the President and Chief Executive Officer from January 2025. Prior to this she worked as a Chief Operations Officer. She also had range of senior levels in OPG Corporate Business Development and Strategy, Renewable Generation.

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Aida Cipolla

Chief Financial Officer; Chief Administrative Officer Senior Management Since: 2022

Ms. Aida Cipolla is the Chief Financial Officer and Corporate Services Officer of the company. Prior to this, she served as the Chief Financial Officer and Executive Vice President of Toronto Hydro.

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Shelley Babin

Chief Operating Officer Senior Management

Ms. Shelley Babin has been the Chief Operating Officer of the company. Prior to this, she worked as a President and Chief Executive Officer of OPG’s subsidiary, Atura Power. Before this she served as a Chief Legal and Ethics Officer of the company.

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Subo Sinnathamby

Chief - Chief Projects Officer Senior Management Since: 2001

Ms. Subo Sinnathamby is the Chief Projects Officer of the company. Prior to this, she served as the company's Senior Vice President for Nuclear Refurbishment.

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Brenda MacDonald

Chief - Chief Commercial Officer Senior Management Since: 2017

Ms. Brenda MacDonald is the Chief Commercial Officer of the company. Prior to this, she served as the company's Vice President for Regulatory Affairs. Previously, Ms. MacDonald spent more than 15 years at Bell Canada Enterprises (BCE), holding various positions, including Assistant General Counsel for its Business Markets and Procurement. She has also served as Counsel for Abitibi-Consolidated (now Resolute Forest Products).

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