Ontario Power Generation Executive and Leadership Team

July, 2026

Leadership Overview

Ontario Power Generation has 10 executives leading key functions including strategy, information technology, operations, finance, human resources, marketing, and project management.

Driven by a commitment to reliable energy, Ontario Power Generation is dedicated to powering Ontario through a diverse portfolio of clean, safe, and affordable electricity generation, contributing significantly to the province's energy security and economic vitality.

Leadership Roles at Ontario Power Generation

  • President & Chief Executive Officer - Nicolle Butcher
  • Chief Financial Officer & Chief Administrative Officer - Aida Cipolla
  • President of the Brooklin Redmen Major Series Lacrosse Team - Dean Link
  • Chief Information Officer - Ranjika Manamperi
  • Chief of Staff - Caroline Lee
  • Line Manager CA Chief Marketing Officer - Jesse Aubin
  • IAM Security Architect & Chief Information Officer - Hiren Mistry
  • Head Chief Information Officer, Project Management Office Section Business & Resource Support - Sadeem Khan
  • Chief People Officer - Paul Kameka
  • Chief Operations Officer - Shelley Babin
  • Nicolle Butcher - President & Chief Executive Officer

    Nicolle Butcher, the President & Chief Executive Officer at Ontario Power Generation, directs the overall strategic vision and operational execution for the company, which generates approximately 70% of Ontario's electricity. Butcher oversees the integration of diverse energy sources, including nuclear, hydroelectric, solar, wind, and fossil fuels, ensuring a stable and reliable power supply across the province. This leadership role involves fostering innovation in clean energy technologies and maintaining strong relationships with the Government of Ontario, the company's sole owner. Nicolle Butcher's mandate includes driving operational efficiency, managing significant capital investments, and upholding the highest standards of safety and environmental responsibility. The Chief Executive Officer's focus extends to market positioning and long-term sustainability, ensuring Ontario Power Generation remains a cornerstone of the province's energy infrastructure and economic development.
    Nicolle Butcher

    Aida Cipolla - Chief Financial Officer & Chief Administrative Officer

    Aida Cipolla, the Chief Financial Officer & Chief Administrative Officer at Ontario Power Generation, oversees the company's financial health and administrative operations, ensuring fiscal responsibility and efficient resource management. Cipolla directs all financial planning, budgeting, accounting, and reporting activities, critical for managing the substantial investments in nuclear, hydroelectric, and renewable energy projects. This executive role also encompasses administrative functions, ensuring smooth day-to-day operations across the organization. Aida Cipolla's strategic financial guidance supports OPG's mandate to provide affordable and reliable electricity to Ontario. The Chief Administrative Officer's purview includes optimizing operational processes and ensuring compliance with regulatory requirements, contributing to the company's overall stability and effectiveness.
    Dean Link, the President of the Brooklin Redmen Major Series Lacrosse Team at Ontario Power Generation, leads the strategic direction and operational management of the professional lacrosse team. Link oversees all aspects of the team's business, including player recruitment, sponsorship acquisition, and game day operations, ensuring the team's competitive success and financial viability. This role involves fostering strong community ties and enhancing the team's brand within the Major Series Lacrosse league. Dean Link's leadership focuses on building a winning culture and maximizing fan engagement. The President's responsibilities extend to strategic partnerships and ensuring the Brooklin Redmen maintain their position as a prominent franchise in the sport.

    Ranjika Manamperi - Chief Information Officer

    Ranjika Manamperi, the Chief Information Officer at Ontario Power Generation, architects the company's technology strategy, ensuring robust and secure information systems that support diverse energy generation operations. Manamperi directs the implementation and management of IT infrastructure, cybersecurity measures, and digital transformation initiatives across nuclear, hydroelectric, solar, wind, and fossil fuel facilities. This role is critical for optimizing operational efficiency, enhancing data analytics capabilities, and safeguarding sensitive company information. Ranjika Manamperi's leadership ensures that technology investments align with Ontario Power Generation's mission to provide reliable and affordable electricity. The Chief Information Officer's responsibilities include overseeing all aspects of information technology, from network infrastructure to application development, enabling seamless communication and data flow throughout the organization.

    Caroline Lee - Chief of Staff

    Caroline Lee, the Chief of Staff at Ontario Power Generation, provides strategic support and operational coordination to the executive leadership team, facilitating the execution of company-wide initiatives. Lee manages key projects, drives cross-functional alignment, and ensures efficient communication channels between departments and with external stakeholders. This position is pivotal in translating the company's strategic objectives into actionable plans, particularly concerning the 70% of Ontario's electricity generation managed by OPG. Caroline Lee's role involves streamlining operations, optimizing resource allocation, and enhancing organizational effectiveness across nuclear, hydroelectric, solar, wind, and fossil fuel operations. The Chief of Staff ensures that executive priorities are addressed promptly and effectively, contributing to the overall success and stability of Ontario's energy supply.

    Jesse Aubin - Line Manager CA Chief Marketing Officer

    Jesse Aubin, the Line Manager CA Chief Marketing Officer at Ontario Power Generation, develops and executes marketing strategies to enhance the company's brand presence and public engagement. Aubin oversees all marketing communications, public relations, and stakeholder outreach efforts, ensuring consistent messaging across diverse platforms. This role is crucial for communicating Ontario Power Generation's commitment to clean, reliable energy and its significant contribution to the province's electricity needs. Jesse Aubin's responsibilities include managing brand perception, supporting community relations, and promoting the company's diverse energy portfolio, which spans nuclear, hydroelectric, solar, wind, and fossil fuels. The Chief Marketing Officer's strategic direction aims to foster trust and understanding among the public and key stakeholders regarding OPG's operations and its role in powering Ontario.

    Hiren Mistry - IAM Security Architect & Chief Information Officer

    Hiren Mistry, the IAM Security Architect & Chief Information Officer at Ontario Power Generation, leads the company's information security architecture and identity and access management programs. Mistry is responsible for designing and implementing robust security frameworks to protect critical energy infrastructure, including nuclear and hydroelectric facilities, from cyber threats. This dual role ensures that IT systems are not only functional but also highly secure, supporting OPG's mandate to provide reliable electricity to Ontario. Hiren Mistry's expertise in IAM is vital for controlling access to sensitive data and systems, thereby mitigating risks associated with unauthorized entry. The Chief Information Officer's strategic oversight extends to all technology-related security measures, safeguarding the company's operations and its contribution to provincial energy security.

    Sadeem Khan - Head Chief Information Officer, Project Management Office Section Business & Resource Support

    Sadeem Khan, the Head Chief Information Officer, Project Management Office Section Business & Resource Support at Ontario Power Generation, directs the IT strategy and resource allocation for project management initiatives. Khan ensures that technology solutions effectively support the planning, execution, and delivery of OPG's diverse energy projects, from nuclear plant upgrades to renewable energy developments. This role is critical for optimizing project lifecycles and resource utilization across the company's extensive operations. Sadeem Khan's leadership focuses on integrating IT capabilities with business objectives, providing essential support for the Project Management Office. The Chief Information Officer's responsibilities include managing IT resources, implementing project management software, and ensuring technological alignment with OPG's mission to generate reliable electricity for Ontario.

    Paul Kameka - Chief People Officer

    Paul Kameka, the Chief People Officer at Ontario Power Generation, leads human resources strategy, talent management, and organizational development to support the company's critical energy generation mission. Kameka oversees recruitment, employee relations, compensation, benefits, and training programs, ensuring a skilled and motivated workforce across nuclear, hydroelectric, and renewable energy sectors. This role is essential for attracting and retaining top talent required to operate and innovate within the complex energy industry. Paul Kameka's focus is on fostering a positive and productive work environment that aligns with OPG's commitment to safety, reliability, and environmental stewardship. The Chief People Officer's initiatives are designed to enhance employee engagement and support the company's long-term strategic goals in powering Ontario.

    Shelley Babin - Chief Operations Officer

    Shelley Babin, the Chief Operations Officer at Ontario Power Generation, directs the company's extensive operational activities, ensuring the safe, reliable, and efficient generation of electricity across its diverse portfolio. Babin oversees the management of nuclear, hydroelectric, solar, wind, and fossil fuel facilities, implementing best practices in operational excellence and asset management. This critical role involves managing complex infrastructure, optimizing energy production, and ensuring compliance with stringent safety and environmental regulations. Shelley Babin's leadership is fundamental to Ontario Power Generation's ability to supply approximately 70% of the province's electricity needs. The Chief Operations Officer's strategic focus includes driving continuous improvement, managing operational risks, and enhancing the performance of all generation assets to meet Ontario's energy demands.
    Shelley Babin

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    Frequently Asked Questions Regarding Ontario Power Generation Top Executives and Leadership Team

    Who leads Ontario Power Generation?
    Ontario Power Generation is led by Nicolle Butcher (President & Chief Executive Officer), along with executives such as Aida Cipolla (Chief Financial Officer & Chief Administrative Officer) and Dean Link (President of the Brooklin Redmen Major Series Lacrosse Team).
    Who is part of Ontario Power Generation’s executive team?
    The executive team of Ontario Power Generation includes leaders such as Nicolle Butcher (President & Chief Executive Officer), Aida Cipolla (Chief Financial Officer & Chief Administrative Officer), Dean Link (President of the Brooklin Redmen Major Series Lacrosse Team) and other senior executives.
    How many executives does Ontario Power Generation have?
    Ontario Power Generation has 10 executives leading key business areas.
    What roles are included in Ontario Power Generation’s leadership team?
    The leadership team of Ontario Power Generation includes roles such as President & Chief Executive Officer, Chief Financial Officer & Chief Administrative Officer, President of the Brooklin Redmen Major Series Lacrosse Team, Chief Information Officer, Chief of Staff.