NextEra Energy Resources Executive and Leadership Team

November, 2026

Leadership Overview

NextEra Energy Resources has 8 executives leading key functions including strategy, operational oversight, financial management, and commercial trading.

Driven by a commitment to sustainable power generation, NextEra Energy Resources delivers reliable wholesale electricity solutions while maintaining a diverse fuel mix for industrial and municipal partners across North America.

Leadership Roles at NextEra Energy Resources

  • Chief Executive Officer - Sumon Tanvir
  • Chief Financial Officer, Distributed Generation & Executive Director - Brian Wang
  • Chief Operating Officer - Kelly Cison
  • President - Richard Argentieri
  • President, Commodities, Trading & Commercial Services - Lawrence Silverstein
  • President - Michael Toal
  • Chief of Staff - Shanelle Wilson
  • Executive Office (Chief of Staff Team) - Tucker Pearson
  • Sumon Tanvir - Chief Executive Officer

    Sumon Tanvir, the Chief Executive Officer at NextEra Energy Resources, directs the overarching strategic vision for wholesale power generation. Overseeing the entire organizational portfolio, the Chief Executive Officer ensures alignment between large-scale power plant operations and the evolving needs of retail electricity providers. This leadership role involves navigating complex regulatory landscapes while expanding the company's footprint in the renewable energy sector. By prioritizing long-term asset performance, Sumon Tanvir directly impacts the company's market position as a premier energy supplier. The Chief Executive Officer maintains constant communication with the Board to refine capital allocation strategies. Ultimately, Tanvir secures the competitive advantage of the firm through rigorous operational discipline and a focus on sustainable growth across all regional markets, ensuring that the organization remains at the forefront of the wholesale energy industry.

    Brian Wang - Chief Financial Officer, Distributed Generation & Executive Director

    Brian Wang, the Chief Financial Officer, Distributed Generation & Executive Director at NextEra Energy Resources, oversees the financial health and investment strategy for distributed energy projects. Managing capital budgets and revenue forecasting, the Chief Financial Officer, Distributed Generation & Executive Director ensures that decentralized power initiatives contribute positively to the company's bottom line. This leadership role involves evaluating the economic viability of new energy technologies and securing funding for expansion. By optimizing financial structures, Brian Wang drives the growth of the distributed generation portfolio. The Chief Financial Officer, Distributed Generation & Executive Director works closely with other executives to align financial goals with the broader corporate mission of providing reliable wholesale power. Through rigorous risk assessment and fiscal oversight, Wang supports the long-term sustainability of the firm. The Chief Financial Officer, Distributed Generation & Executive Director ensures that all investments deliver maximum value to stakeholders and clients.

    Kelly Cison - Chief Operating Officer

    Kelly Cison, the Chief Operating Officer at NextEra Energy Resources, manages the technical performance and maintenance of the company's extensive power plant fleet. Overseeing daily generation activities, the Chief Operating Officer ensures that all facilities meet strict safety and reliability standards for retail electricity providers. This leadership role involves optimizing the fuel mix to maximize efficiency while minimizing environmental impact. By implementing advanced monitoring technologies, Kelly Cison drives continuous improvement in plant output and operational uptime. The Chief Operating Officer collaborates with engineering teams to integrate new energy technologies into the existing infrastructure. Through rigorous oversight of maintenance schedules and supply chain logistics, Cison maintains the integrity of the power generation assets. The Chief Operating Officer supports the company's mission by delivering consistent, high-quality energy solutions to power cooperatives and large industrial companies across the entire operational footprint.

    Richard Argentieri - President

    Richard Argentieri, the President at NextEra Energy Resources, leads the development and execution of large-scale renewable energy projects. Overseeing the expansion of the company's generation capacity, the President ensures that new power plants integrate seamlessly into the existing grid. This leadership role involves managing relationships with key stakeholders and navigating the complexities of utility-scale energy development. By driving innovation in project design, Richard Argentieri enhances the company's ability to provide clean, reliable electricity to retail providers and industrial partners. The President coordinates with engineering and construction teams to ensure that projects remain on schedule and within budget. Through strategic planning and market analysis, Argentieri expands the firm's reach across diverse geographic regions. The President remains focused on scaling the company's renewable energy footprint, ensuring that the organization continues to lead the wholesale power market through sustainable and efficient infrastructure development.
    Richard Argentieri

    Lawrence Silverstein - President, Commodities, Trading & Commercial Services

    Lawrence Silverstein, the President, Commodities, Trading & Commercial Services at NextEra Energy Resources, directs the company's energy trading operations and commercial risk management. Overseeing the purchase and sale of power and fuel, the President, Commodities, Trading & Commercial Services ensures that the firm optimizes its market position in a volatile energy landscape. This leadership role involves developing hedging strategies to protect against price fluctuations and ensure revenue stability. By leveraging market intelligence, Lawrence Silverstein drives the profitability of the commercial services division. The President, Commodities, Trading & Commercial Services collaborates with utilities and retail providers to structure complex energy supply agreements. Through precise management of commodity portfolios, Silverstein supports the company's overall financial objectives. The President, Commodities, Trading & Commercial Services remains committed to delivering value through expert market analysis and the strategic deployment of commercial assets across the entire wholesale energy sector.
    Lawrence Silverstein

    Michael Toal - President

    Michael Toal, the President at NextEra Energy Resources, manages the operational integration of acquired energy assets and business units. Overseeing the transition of new power plants into the company's portfolio, the President ensures that all facilities adhere to the firm's high standards for safety and performance. This leadership role involves streamlining processes to achieve economies of scale across the generation fleet. By fostering collaboration between regional teams, Michael Toal drives operational consistency and efficiency. The President works with the executive team to identify opportunities for process improvement and asset optimization. Through careful oversight of integration projects, Toal strengthens the company's competitive position in the wholesale power market. The President remains dedicated to enhancing the reliability of energy delivery to municipal and industrial clients. By focusing on operational excellence, Toal ensures that the organization maintains its status as a leading provider of wholesale electricity solutions.

    Shanelle Wilson - Chief of Staff

    Shanelle Wilson, the Chief of Staff at NextEra Energy Resources, coordinates executive workflows and facilitates cross-departmental communication. Managing the daily priorities of the leadership team, the Chief of Staff ensures that strategic initiatives receive proper attention and resources. This role involves synthesizing complex data from various power generation units to support informed decision-making at the highest levels. By streamlining internal processes, Shanelle Wilson enhances the efficiency of the executive office. The Chief of Staff acts as a primary liaison between senior leadership and operational managers, fostering a culture of accountability and transparency. Through meticulous planning and project management, Wilson drives the execution of corporate objectives. The Chief of Staff remains focused on optimizing organizational performance, ensuring that all departments operate in harmony to meet the diverse energy demands of municipal and industrial clients throughout the country.

    Tucker Pearson - Executive Office (Chief of Staff Team)

    Tucker Pearson, the Executive Office (Chief of Staff Team) at NextEra Energy Resources, supports the strategic alignment of executive functions with corporate goals. Assisting in the development of high-level policy, the Executive Office (Chief of Staff Team) ensures that leadership decisions reflect the company's commitment to wholesale power excellence. This role involves analyzing market trends to provide actionable insights for the senior management team. By facilitating communication across the executive suite, Tucker Pearson promotes a unified approach to managing the diverse fuel mix and power generation assets. The Executive Office (Chief of Staff Team) monitors progress on key performance indicators to ensure that operational targets remain within reach. Through careful coordination of internal resources, Pearson strengthens the company's ability to serve municipal electric providers. The Executive Office (Chief of Staff Team) remains dedicated to maintaining the operational excellence that defines the organization's market presence.

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    Frequently Asked Questions Regarding NextEra Energy Resources Top Executives and Leadership Team

    Who leads NextEra Energy Resources?
    NextEra Energy Resources is led by Sumon Tanvir (Chief Executive Officer), along with executives such as Brian Wang (Chief Financial Officer, Distributed Generation & Executive Director) and Kelly Cison (Chief Operating Officer).
    Who is part of NextEra Energy Resources’s executive team?
    The executive team of NextEra Energy Resources includes leaders such as Sumon Tanvir (Chief Executive Officer), Brian Wang (Chief Financial Officer, Distributed Generation & Executive Director), Kelly Cison (Chief Operating Officer) and other senior executives.
    How many executives does NextEra Energy Resources have?
    NextEra Energy Resources has 8 executives leading key business areas.
    What roles are included in NextEra Energy Resources’s leadership team?
    The leadership team of NextEra Energy Resources includes roles such as Chief Executive Officer, Chief Financial Officer, Distributed Generation & Executive Director, Chief Operating Officer, President, President, Commodities, Trading & Commercial Services.