Constellation Energy Executive and Leadership Team

June, 2026

Leadership Overview

Constellation Energy has 10 executives leading key functions including strategy, operations, and revenue generation.

Driven by a commitment to a cleaner energy future, Constellation Energy powers progress for its customers and communities through reliable, affordable, and carbon-free energy solutions.

Leadership Roles at Constellation Energy

  • President & Chief Executive Officer - Joseph Dominguez
  • Vice President and Chief of Staff To the Chief Executive Officer - Darani Reddick
  • Chief Operating Officer - Marri Marchionda-Palmer
  • Chief Operating Officer & Senior VP - David Ellsworth
  • Chief of Staff - Brittany Miller
  • Chief Information Officer - Jay Cavalcanto
  • Chief of Staff & Executive VP, Office of & Chief Strategy Officer - Maureen Signor
  • Chief Revenue Officer & Control Room Operator - Gashaw Bedassa
  • Chief Marketing Officer, Program & Specialist - Lori Haines
  • Chief Marketing Officer & IC & Aov & Mov Specialist - Ryan Talty
  • Joseph Dominguez - President & Chief Executive Officer

    Joseph Dominguez, the President & Chief Executive Officer at Constellation Energy, directs the company's overall strategy and operational execution. Overseeing all business segments, including Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions, Dominguez ensures the efficient generation and sale of electricity across the United States. The Chief Executive Officer's leadership focuses on leveraging Constellation Energy's diverse generating capacity, which includes nuclear, wind, solar, natural gas, and hydroelectric assets, to meet the evolving energy needs of distribution utilities, municipalities, cooperatives, and commercial, industrial, governmental, and residential customers. This executive drives the company's mission to provide reliable, affordable, and carbon-free energy solutions, solidifying its market position and fostering sustainable growth. By championing innovation and operational excellence, Joseph Dominguez guides the organization toward achieving its long-term financial and environmental objectives.
    Joseph Dominguez

    Darani Reddick - Vice President and Chief of Staff To the Chief Executive Officer

    Darani Reddick, the Vice President and Chief of Staff To the Chief Executive Officer at Constellation Energy, provides critical support to the CEO, managing key strategic projects and ensuring operational efficiency. The Vice President and Chief of Staff facilitates communication and collaboration between the CEO's office and various departments, streamlining decision-making processes. Reddick's role involves overseeing special initiatives that align with Constellation Energy's mission to deliver reliable, affordable, and carbon-free energy solutions. This executive's focus is on enhancing the effectiveness of executive leadership and driving the successful implementation of corporate objectives across all operational segments. By managing critical workflows and supporting strategic priorities, Darani Reddick is instrumental in the company's ongoing success.

    Marri Marchionda-Palmer - Chief Operating Officer

    Marri Marchionda-Palmer, the Chief Operating Officer at Constellation Energy, directs the company's extensive operational activities, ensuring the efficient and safe generation of power across its diverse asset portfolio. The Chief Operating Officer oversees the day-to-day management of nuclear, wind, solar, natural gas, and hydroelectric facilities, optimizing performance and output. Marchionda-Palmer's responsibilities span all operational regions, including Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions, ensuring seamless energy delivery to utilities, municipalities, cooperatives, and commercial, industrial, governmental, and residential customers. This executive's focus is on maintaining the highest standards of operational excellence and reliability, directly supporting Constellation Energy's commitment to providing affordable, carbon-free energy. By driving efficiency and managing complex energy production, Marri Marchionda-Palmer is integral to the company's market leadership.
    Marri Marchionda-Palmer

    David Ellsworth - Chief Operating Officer & Senior VP

    David Ellsworth, the Chief Operating Officer & Senior VP at Constellation Energy, oversees critical aspects of the company's operational performance and strategic development. The Chief Operating Officer & Senior VP directs initiatives aimed at optimizing the efficiency and reliability of Constellation Energy's diverse generating assets, including nuclear, wind, solar, natural gas, and hydroelectric power. Ellsworth's leadership ensures the seamless delivery of energy across all regions, supporting the company's commitment to providing affordable, carbon-free solutions to its broad customer base. This executive's focus is on driving operational excellence and managing complex energy production processes to meet market demands. By enhancing operational capabilities and strategic execution, David Ellsworth significantly contributes to Constellation Energy's market leadership and sustained growth.
    David Ellsworth

    Brittany Miller - Chief of Staff

    Brittany Miller, the Chief of Staff at Constellation Energy, provides direct support to executive leadership, facilitating strategic initiatives and operational alignment. The Chief of Staff manages key projects and ensures seamless communication across departments, contributing to the efficient functioning of the company's energy generation and sales operations. Miller's role involves coordinating efforts across the Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions segments, supporting the delivery of natural gas, renewable energy, and other energy-related products. This executive's focus is on enhancing organizational effectiveness and driving the execution of the company's mission to provide reliable, affordable, and carbon-free energy. By streamlining processes and supporting strategic decision-making, Brittany Miller plays a crucial part in the company's overall success and market impact.

    Jay Cavalcanto - Chief Information Officer

    Jay Cavalcanto, the Chief Information Officer at Constellation Energy, architects and oversees the company's technology infrastructure and digital strategy. The Chief Information Officer is responsible for ensuring the security, reliability, and scalability of all IT systems that support Constellation Energy's extensive operations, including its nuclear, wind, solar, natural gas, and hydroelectric assets. Cavalcanto's leadership drives innovation in data management and analytics, crucial for optimizing energy generation and sales across the Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions. This executive ensures that technology solutions effectively support the company's mission to deliver reliable, affordable, and carbon-free energy to its diverse customer base. By implementing cutting-edge technologies, Jay Cavalcanto enhances operational efficiency and strengthens the company's competitive advantage in the energy market.
    Jay Cavalcanto

    Maureen Signor - Chief of Staff & Executive VP, Office of & Chief Strategy Officer

    Maureen Signor, the Chief of Staff & Executive VP, Office of & Chief Strategy Officer at Constellation Energy, spearheads the development and execution of the company's long-term strategic vision. The Chief Strategy Officer works closely with executive leadership to identify growth opportunities, market trends, and potential challenges across the energy sector. Signor's role involves coordinating strategic planning efforts across all business segments, ensuring alignment with the company's mission to provide reliable, affordable, and carbon-free energy. This executive drives initiatives aimed at enhancing Constellation Energy's competitive position and expanding its market reach through innovative energy solutions. By translating strategic objectives into actionable plans, Maureen Signor plays a pivotal role in shaping the future direction and sustained success of the organization.

    Gashaw Bedassa - Chief Revenue Officer & Control Room Operator

    Gashaw Bedassa, the Chief Revenue Officer & Control Room Operator at Constellation Energy, drives revenue growth and manages the company's commercial operations. The Chief Revenue Officer is responsible for developing and implementing strategies to maximize sales and profitability across all energy products and services, including natural gas and renewable energy. Bedassa's dual role also encompasses direct oversight of control room operations, ensuring the safe and efficient dispatch of energy from Constellation Energy's diverse generating assets. This executive's focus is on expanding market share and customer acquisition while maintaining operational integrity. By optimizing revenue streams and ensuring reliable energy delivery, Gashaw Bedassa directly contributes to the company's financial performance and its mission to provide affordable, carbon-free energy solutions.

    Lori Haines - Chief Marketing Officer, Program & Specialist

    Lori Haines, the Chief Marketing Officer, Program & Specialist at Constellation Energy, leads the company's marketing initiatives and brand strategy. The Chief Marketing Officer develops and executes comprehensive marketing programs designed to enhance customer engagement and expand market reach for Constellation Energy's diverse energy offerings. Haines's expertise in program management ensures the effective implementation of marketing campaigns across various channels, targeting distribution utilities, municipalities, cooperatives, and commercial, industrial, governmental, and residential customers. This executive's focus is on communicating the value proposition of reliable, affordable, and carbon-free energy solutions. By driving brand awareness and customer acquisition, Lori Haines significantly contributes to the company's growth and its leadership in the energy sector.

    Ryan Talty - Chief Marketing Officer & IC & Aov & Mov Specialist

    Ryan Talty, the Chief Marketing Officer & IC & Aov & Mov Specialist at Constellation Energy, directs strategic marketing efforts and specialized program initiatives. The Chief Marketing Officer develops and implements innovative campaigns to promote Constellation Energy's comprehensive portfolio of energy products and services, including renewable energy solutions. Talty's specialized focus ensures the effective management of key performance indicators and program optimization, driving customer acquisition and retention across all market segments. This executive's leadership is critical in communicating the company's commitment to providing reliable, affordable, and carbon-free energy. By enhancing market presence and customer value, Ryan Talty plays a vital role in strengthening Constellation Energy's brand and its competitive position.
    Ryan Talty

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    Frequently Asked Questions Regarding Constellation Energy Top Executives and Leadership Team

    Who leads Constellation Energy?
    Constellation Energy is led by Joseph Dominguez (President & Chief Executive Officer), along with executives such as Darani Reddick (Vice President and Chief of Staff To the Chief Executive Officer) and Marri Marchionda-Palmer (Chief Operating Officer).
    Who is part of Constellation Energy’s executive team?
    The executive team of Constellation Energy includes leaders such as Joseph Dominguez (President & Chief Executive Officer), Darani Reddick (Vice President and Chief of Staff To the Chief Executive Officer), Marri Marchionda-Palmer (Chief Operating Officer) and other senior executives.
    How many executives does Constellation Energy have?
    Constellation Energy has 10 executives leading key business areas.
    What roles are included in Constellation Energy’s leadership team?
    The leadership team of Constellation Energy includes roles such as President & Chief Executive Officer, Vice President and Chief of Staff To the Chief Executive Officer, Chief Operating Officer, Chief Operating Officer & Senior VP, Chief of Staff.