Exelon Executive and Leadership Team

June, 2026

Leadership Overview

Exelon has 10 executives leading key functions including information technology, revenue generation, marketing, human resources, and operations.

Driven by a commitment to reliable energy, Exelon powers communities through integrated energy distribution and transmission, providing essential services across the United States and Canada.

Leadership Roles at Exelon

  • Assistant To the Chief Executive Officer - Cameron LaFontaine
  • Chief of Staff & Chief Financial Officer, Office of - Grace Oh
  • Executive Vice President & Chief Operating Officer, Exelon - Bridget Reidy
  • Chief Information Officer - James (Jim) Calabrese
  • Chief Revenue Officer - Warren Yackel
  • Chief Marketing Officer & Engineer - Terry Stertzel
  • Senior Vice President and Chief Human Resources Officer - Denise Galambos
  • Vice President, Information Technology & Chief Information Officer, Customer & Bge - Elizabeth O'Connor
  • Corporate Operations Chief of Staff - Crystal Lesher
  • Chief of Staff To Senior Vice President Exelon Operations and Oversight - Margaret West
  • Cameron LaFontaine - Assistant To the Chief Executive Officer

    Cameron LaFontaine, the Assistant To the Chief Executive Officer at Exelon, provides critical support to the chief executive in managing strategic initiatives and operational oversight. LaFontaine facilitates communication and coordination across various departments, ensuring alignment with the company's core mission of energy distribution and transmission. This role involves assisting with executive-level decision-making, preparing reports, and managing key projects that drive Exelon's business objectives in the United States and Canada. Cameron LaFontaine plays a vital part in streamlining executive operations, enhancing organizational efficiency, and supporting the CEO's vision for innovation and reliability in the energy sector. The position requires a deep understanding of Exelon's business model and its commitment to serving commercial, industrial, and residential customers.

    Grace Oh - Chief of Staff & Chief Financial Officer, Office of

    Grace Oh, the Chief of Staff & Chief Financial Officer, Office of at Exelon, provides strategic financial leadership and operational support to the executive office. Oh manages financial planning, analysis, and reporting, ensuring fiscal responsibility across Exelon's energy distribution and transmission operations. This executive role involves overseeing budgeting, investment strategies, and risk management to support the company's growth and stability in the United States and Canada. Grace Oh collaborates closely with other C-suite leaders to align financial objectives with business goals, driving efficiency and profitability. The Chief of Staff function ensures smooth execution of executive directives and facilitates cross-departmental collaboration. Oh's dual responsibilities are critical for maintaining Exelon's financial health and operational excellence.

    Bridget Reidy - Executive Vice President & Chief Operating Officer, Exelon

    Bridget Reidy, the Executive Vice President & Chief Operating Officer, Exelon at Exelon, directs the company's core operational functions, overseeing energy distribution and transmission across its service territories. Reidy is responsible for ensuring the safe, reliable, and efficient delivery of electricity and natural gas to millions of customers throughout the United States and Canada. This executive role involves managing system operations, infrastructure development, and emergency preparedness to maintain service continuity. Bridget Reidy collaborates with other senior leaders to drive operational excellence, implement strategic improvements, and manage capital investments. The Chief Operating Officer's leadership is fundamental to Exelon's mission of powering communities and supporting economic growth through dependable energy services.
    Bridget Reidy

    James (Jim) Calabrese - Chief Information Officer

    James (Jim) Calabrese, the Chief Information Officer at Exelon, directs the company's technology strategy and digital transformation initiatives. Overseeing all aspects of information technology, Calabrese ensures robust infrastructure supporting Exelon's energy distribution and transmission operations across the United States and Canada. This leadership role involves managing cybersecurity defenses, optimizing IT systems for efficiency, and driving innovation in data analytics to enhance customer service and operational performance. James (Jim) Calabrese collaborates with other senior leaders to align technology investments with the company's overarching business objectives, ensuring seamless integration of IT solutions with Exelon's core energy services. The focus remains on leveraging technology to improve reliability, support regulatory compliance, and deliver superior value to stakeholders.
    James (Jim) Calabrese

    Warren Yackel - Chief Revenue Officer

    Warren Yackel, the Chief Revenue Officer at Exelon, spearheads strategies to maximize revenue generation across the company's diverse energy services portfolio. Yackel directs initiatives focused on optimizing the purchase and regulated retail sale of electricity and natural gas, ensuring competitive market positioning. This executive role involves analyzing market trends, identifying new revenue streams, and enhancing customer acquisition and retention efforts. Warren Yackel works closely with sales, marketing, and operations teams to drive profitable growth and achieve financial targets. The Chief Revenue Officer's purview extends to managing pricing strategies, developing commercial partnerships, and ensuring that revenue generation aligns with Exelon's mission of providing reliable energy distribution and transmission services. Yackel's leadership is critical for sustained financial health and market expansion.

    Terry Stertzel - Chief Marketing Officer & Engineer

    Terry Stertzel, the Chief Marketing Officer & Engineer at Exelon, leads the company's marketing efforts while contributing engineering expertise to its energy distribution and transmission businesses. Stertzel develops and executes comprehensive marketing strategies designed to enhance Exelon's brand presence and communicate the value of its energy services to a broad customer base, including utilities, municipalities, and residential clients. This dual role ensures that marketing initiatives are grounded in technical understanding and operational realities. Terry Stertzel oversees market research, campaign development, and customer engagement programs, aiming to drive growth and customer satisfaction. The engineering perspective informs product development and service delivery, ensuring that Exelon's offerings meet high standards of reliability and efficiency. Stertzel's leadership bridges the gap between technical capabilities and market communication.

    Denise Galambos - Senior Vice President and Chief Human Resources Officer

    Denise Galambos, the Senior Vice President and Chief Human Resources Officer at Exelon, directs all human capital strategies to support the company's extensive energy distribution and transmission operations. Galambos oversees talent acquisition, employee development, compensation and benefits, and organizational culture initiatives across Exelon's footprint in the United States and Canada. This leadership role is pivotal in attracting and retaining top talent essential for maintaining operational excellence and driving innovation in the energy sector. Denise Galambos ensures that HR policies align with Exelon's mission, fostering a diverse and inclusive workforce committed to reliable energy delivery. Collaboration with senior leadership is key to developing programs that enhance employee engagement and support the company's strategic objectives.
    Denise Galambos

    Elizabeth O'Connor - Vice President, Information Technology & Chief Information Officer, Customer & Bge

    Elizabeth O'Connor, the Vice President, Information Technology & Chief Information Officer, Customer & Bge at Exelon, leads technology strategy and execution specifically for customer-facing operations and the Baltimore Gas and Electric (BGE) subsidiary. O'Connor oversees the development and implementation of IT solutions that enhance customer experience, streamline service delivery, and ensure the reliability of energy distribution and transmission systems. This role involves managing IT infrastructure, cybersecurity, and digital platforms critical for customer engagement and operational efficiency. Elizabeth O'Connor collaborates with business units to identify technology needs and drive digital transformation initiatives. The focus is on leveraging IT to improve customer satisfaction, support regulatory requirements, and maintain Exelon's commitment to providing dependable energy services.

    Crystal Lesher - Corporate Operations Chief of Staff

    Crystal Lesher, the Corporate Operations Chief of Staff at Exelon, provides strategic support and operational coordination for the company's extensive energy distribution and transmission businesses. Lesher facilitates the execution of key operational initiatives, ensuring alignment across departments and optimizing workflow efficiency. This role involves managing critical projects, enhancing internal communications, and supporting senior leadership in strategic decision-making. Crystal Lesher plays a vital part in streamlining operations, driving process improvements, and ensuring that Exelon's commitment to reliable energy delivery is met across its service territories in the United States and Canada. Lesher's efforts contribute directly to the effective management of Exelon's complex operational landscape.

    Margaret West - Chief of Staff To Senior Vice President Exelon Operations and Oversight

    Margaret West, the Chief of Staff To Senior Vice President Exelon Operations and Oversight at Exelon, provides essential support and coordination for the oversight of the company's critical operations. West facilitates strategic planning and execution, ensuring alignment between the Senior Vice President's directives and the day-to-day management of energy distribution and transmission activities. This role involves managing key projects, enhancing interdepartmental communication, and supporting the effective implementation of operational strategies across Exelon's extensive network. Margaret West plays a crucial part in maintaining operational integrity and driving efficiency within Exelon's business units. West's contributions are vital for ensuring the reliable delivery of energy services and supporting the company's overall strategic objectives.

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    Frequently Asked Questions Regarding Exelon Top Executives and Leadership Team

    Who leads Exelon?
    Exelon is led by Cameron LaFontaine (Assistant To the Chief Executive Officer), along with executives such as Grace Oh (Chief of Staff & Chief Financial Officer, Office of) and Bridget Reidy (Executive Vice President & Chief Operating Officer, Exelon).
    Who is part of Exelon’s executive team?
    The executive team of Exelon includes leaders such as Cameron LaFontaine (Assistant To the Chief Executive Officer), Grace Oh (Chief of Staff & Chief Financial Officer, Office of), Bridget Reidy (Executive Vice President & Chief Operating Officer, Exelon) and other senior executives.
    How many executives does Exelon have?
    Exelon has 10 executives leading key business areas.
    What roles are included in Exelon’s leadership team?
    The leadership team of Exelon includes roles such as Assistant To the Chief Executive Officer, Chief of Staff & Chief Financial Officer, Office of, Executive Vice President & Chief Operating Officer, Exelon, Chief Information Officer, Chief Revenue Officer.