IESO Executive and Leadership Team

Lesley Gallinger, the President & Chief Executive Officer at IESO, directs the overarching strategic vision for the provincial power grid. Gallinger manages high-level stakeholder relationships while ensuring the organization meets complex energy demands across Ontario. By overseeing long-term resource planning, the President & Chief Executive Officer aligns operational goals with provincial sustainability mandates. This leadership role involves constant collaboration with the Board to optimize market performance and grid stability. Lesley Gallinger maintains a focus on modernizing infrastructure to support evolving consumer needs. Through rigorous oversight of organizational health, the President & Chief Executive Officer secures the reliability of the electrical system. Gallinger drives initiatives that balance affordability with the integration of renewable energy sources. Ultimately, the President & Chief Executive Officer fosters a culture of transparency and operational excellence, ensuring the energy sector remains resilient against future challenges while supporting the broader economic growth of the region.

Ernest Chui, the Corporate Services Chief Financial Officer & Vice President at IESO, directs the financial strategy and corporate resource allocation for the organization. Chui oversees the budgeting process, ensuring that capital investments support the long-term reliability of the provincial power grid. By managing financial reporting and fiscal planning, the Corporate Services Chief Financial Officer & Vice President maintains the economic health of the company. This leadership role involves analyzing market trends to optimize cost structures and revenue streams. Ernest Chui collaborates with the executive team to fund critical infrastructure projects and operational improvements. Through the oversight of corporate services, the Corporate Services Chief Financial Officer & Vice President ensures that administrative functions align with the broader mission of providing reliable energy. Chui drives financial transparency and accountability across all departments. By maintaining fiscal discipline, the Corporate Services Chief Financial Officer & Vice President secures the necessary resources to support the ongoing modernization of the energy sector.

Ken Kozlik, the Chief Operating Officer at IESO, manages the daily reliability of the provincial electricity grid. Kozlik oversees the real-time balancing of supply and demand to prevent outages across Ontario. By directing grid operations, the Chief Operating Officer ensures that power flows efficiently from generation sources to local distribution networks. This leadership role requires constant monitoring of system conditions and rapid response to technical disruptions. Ken Kozlik coordinates with regional partners to maintain operational standards and safety protocols. Through the implementation of advanced grid management systems, the Chief Operating Officer optimizes the performance of the entire electrical network. Kozlik drives improvements in system capacity to accommodate increasing electrification demands. By focusing on operational efficiency, the Chief Operating Officer minimizes downtime and enhances the overall stability of the energy infrastructure. Kozlik maintains a commitment to technical precision, ensuring the grid remains a reliable foundation for the provincial economy.

Alex Foord, the Executive Vice President & Chief Information Officer at IESO, architects the digital infrastructure supporting the provincial energy market. Foord oversees the development of secure data platforms that manage complex electricity trading and grid monitoring. By directing enterprise-wide technology initiatives, the Executive Vice President & Chief Information Officer ensures that digital systems remain resilient against cyber threats. This leadership role involves integrating advanced analytics to improve forecasting accuracy for energy demand. Alex Foord collaborates with other executives to align technological investments with long-term business objectives. Through the modernization of legacy software, the Executive Vice President & Chief Information Officer enhances the speed and reliability of market transactions. Foord drives the adoption of cloud-based solutions to increase operational agility across the organization. By prioritizing digital transformation, the Executive Vice President & Chief Information Officer enables the company to handle the increasing volume of data generated by a modern, decentralized energy grid.

Achint Behar, the Chief Information Officer I, Ts Governance, Office at IESO, manages the regulatory compliance and governance frameworks for all information technology assets. Behar oversees the implementation of strict data protection policies to safeguard critical energy infrastructure. By directing the governance office, the Chief Information Officer I, Ts Governance, Office ensures that all IT projects adhere to provincial standards and internal security protocols. This leadership role involves auditing system performance and mitigating risks associated with digital operations. Achint Behar coordinates with internal teams to maintain the integrity of information systems used for market operations. Through the establishment of clear policy guidelines, the Chief Information Officer I, Ts Governance, Office fosters a culture of accountability and technical compliance. Behar drives the standardization of IT processes to improve organizational efficiency. By focusing on governance, the Chief Information Officer I, Ts Governance, Office protects the company from operational vulnerabilities while supporting the secure delivery of electricity services.