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

Chief Executive Officer; President 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 Administrative Officer; Chief Financial 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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Steve Gregoris

Chief - Chief Nuclear Officer Senior Management

Mr. Steve Gregoris is the Chief Nuclear Officer of the company. Prior to this, he served as Senior Vice President for the Darlington Nuclear Generating Station and Deputy Vice President for the Pickering Nuclear Generating Station.

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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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