Subo Sinnathamby in

Subo Sinnathamby

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Chief Projects Officer at Ontario Power Generation
📍 Canada

Subo Sinnathamby is the Chief Projects Officer at Ontario Power Generation, where she has held leadership roles for over two decades. She oversees major clean energy initiatives, including the Darlington Refurbishment and the development of Small Modular Reactors. Subo is a Professional Engineer with a degree in Environmental Engineering from the University of Guelph.

Originally from South Asia, Subo arrived in Canada as a teenager and is a fierce advocate for equity, diversity, and inclusion. She is married with two daughters and enjoys reading, watching movies, and travelling. She serves as the executive sponsor for OPG’s women’s empowerment groups, actively mentoring women in the industry.

Interesting fact: Subos leadership on the Darlington Refurbishment project has gained global attention, with other leaders looking to benchmark OPGs success.

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Experience
28 Years
Current Role
Chief Projects Officer
Job Level
Leadership
Location
Canada
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Subo cares about

Major Nuclear Projects
As Chief Projects Officer, she is directly responsible for Canada's largest clean energy projects, including the Darlington Refurbishment and new Small Modular Reactors (SMRs).
Women in Leadership
She is an executive sponsor for OPG's women's empowerment groups, participates in The Judy Project and Rosie Mentoring Program, and is a passionate advocate for ED&I.
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Career

Work history

9-2023
Chief Projects Officer
Ontario Power Generation
9-2020 - 9-2023
Senior Vice President, Nuclear Refurbishment
Ontario Power Generation
1-2018 - 9-2020
Vice President, Inspection & Reactor Innovation
Ontario Power Generation
6-2017 - 12-2017
Director CFAM Work Management
Ontario Power Generation
4-2010 - 6-2017
Department Manager
Ontario Power Generation
In the press

Media appearances

OPG's Subo Sinnathamby leads one of Canada's largest clean .... Featured in Ontario Power Generation (OPG) News
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Education
1991 - 1996
B.Sc. in Environmental Engineering
University of Guelph
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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