Calpine Executive and Leadership Team

May, 2026

Leadership Overview

Calpine has 9 executives leading key functions including strategy, operations, risk, technology, finance, revenue, legal, and administration.

Driven by a commitment to reliable energy, Calpine specializes in natural gas and geothermal power generation, operating a diverse portfolio of plants across the United States to meet critical energy demands.

Leadership Roles at Calpine

  • President & Chief Executive Officer - Andrew Novotny
  • Executive VP & Chief Financial Officer - Zamir Rauf
  • Chief Operating Officer - Haoran Wang
  • Chief Risk Officer & Chief Revenue Officer - Timothy Faraldi
  • Senior Vice President and Chief Information Officer - Hari Chandrasekaran
  • Senior VP & Chief Information Officer - Kurt Seel
  • Chief Revenue Officer & Control Room Operator - Aaron Thompson
  • Executive Vice Chairman & Chief Legal Officer - W. Miller
  • Chief Administrative Officer (CAO) - Rosemary Antonopoulos
  • Andrew Novotny - President & Chief Executive Officer

    Andrew Novotny, the President & Chief Executive Officer at Calpine, directs the company's overall strategy and operational execution. Novotny guides Calpine's mission to provide reliable, sustainable energy solutions through its extensive natural gas and geothermal power generation assets. Overseeing all corporate functions, Novotny ensures alignment with market demands and regulatory landscapes. This leadership role involves driving innovation in energy production and maintaining Calpine's position as a leading independent power producer. By focusing on operational excellence and strategic growth, Andrew Novotny significantly impacts the company's market presence and financial performance, ensuring long-term viability and stakeholder value.
    Andrew Novotny

    Zamir Rauf - Executive VP & Chief Financial Officer

    Zamir Rauf, the Executive VP & Chief Financial Officer at Calpine, directs the company's financial planning, accounting, and capital management. Rauf oversees all fiscal operations, including budgeting, forecasting, and financial reporting, ensuring compliance with regulatory requirements and investor expectations. This executive manages Calpine's capital structure, debt financing, and investment strategies to support growth and operational stability. By providing strategic financial guidance, Zamir Rauf plays a critical role in the company's overall economic health and its ability to fund its natural gas and geothermal energy projects. The Chief Financial Officer's expertise is vital for maintaining investor confidence and driving long-term value.
    Zamir Rauf

    Haoran Wang - Chief Operating Officer

    Haoran Wang, the Chief Operating Officer at Calpine, manages the day-to-day operations of the company's diverse power generation fleet. Wang oversees the efficient and safe functioning of natural gas and geothermal power plants, ensuring consistent energy delivery across its operational regions. This executive drives initiatives to optimize plant performance, enhance reliability, and implement best practices in energy production. By coordinating maintenance schedules and operational protocols, Haoran Wang ensures that Calpine meets its power generation targets and environmental standards. The Chief Operating Officer's focus on operational efficiency directly supports the company's mission to provide essential power services.

    Timothy Faraldi - Chief Risk Officer & Chief Revenue Officer

    Timothy Faraldi, the Chief Risk Officer & Chief Revenue Officer at Calpine, manages the company's exposure to market volatility and drives revenue generation strategies. Faraldi oversees the identification, assessment, and mitigation of financial and operational risks inherent in the energy market, safeguarding company assets. Simultaneously, this executive develops and executes commercial strategies to maximize revenue from Calpine's power generation portfolio. By analyzing market trends and customer needs, Timothy Faraldi ensures profitable sales and sustainable growth. The dual focus of risk management and revenue optimization is critical to Calpine's financial stability and market competitiveness.

    Hari Chandrasekaran - Senior Vice President and Chief Information Officer

    Hari Chandrasekaran, the Senior Vice President and Chief Information Officer at Calpine, directs the company's technology strategy and digital infrastructure. Chandrasekaran oversees the implementation and management of IT systems that support Calpine's power generation operations, ensuring data integrity and cybersecurity across the enterprise. This leadership role involves driving technological innovation to enhance operational efficiency and support business objectives. By managing the company's technology roadmap, Hari Chandrasekaran ensures that Calpine leverages cutting-edge solutions for data analytics, plant management, and enterprise resource planning, thereby supporting the company's mission to deliver reliable energy.

    Kurt Seel - Senior VP & Chief Information Officer

    Kurt Seel, the Senior VP & Chief Information Officer at Calpine, leads the company's information technology initiatives and digital transformation efforts. Seel is responsible for the strategic planning and execution of IT infrastructure, cybersecurity, and data management to support Calpine's energy generation operations. This executive focuses on enhancing system reliability and scalability to meet the evolving demands of the energy sector. By overseeing technology investments and digital solutions, Kurt Seel ensures that Calpine maintains a competitive technological edge. The Chief Information Officer's work is crucial for optimizing operational processes and supporting strategic business decisions through robust IT frameworks.

    Aaron Thompson - Chief Revenue Officer & Control Room Operator

    Aaron Thompson, the Chief Revenue Officer & Control Room Operator at Calpine, bridges commercial strategy with direct operational oversight. Thompson drives revenue generation by optimizing energy sales and market participation strategies for Calpine's power generation assets. Concurrently, this executive manages the critical functions of the control room, ensuring the safe and efficient operation of power plants in real-time. By integrating commercial objectives with operational realities, Aaron Thompson ensures that energy production aligns with market demand and profitability targets. This unique dual role highlights a deep understanding of both the financial and technical aspects of energy generation.
    W. Miller, the Executive Vice Chairman & Chief Legal Officer at Calpine, provides strategic legal counsel and oversees corporate governance. Miller directs all legal affairs, ensuring compliance with federal and state regulations governing energy production and environmental standards. This executive advises the board and senior management on legal implications of business decisions, risk management, and corporate strategy. By managing litigation, contracts, and regulatory matters, W. Miller safeguards Calpine's interests and upholds its commitment to ethical operations. The Chief Legal Officer's role is fundamental to maintaining Calpine's integrity and operational license within the energy sector.
    W. Miller

    Rosemary Antonopoulos - Chief Administrative Officer (CAO)

    Rosemary Antonopoulos, the Chief Administrative Officer (CAO) at Calpine, oversees essential corporate support functions that enable efficient operations. Antonopoulos manages human resources, facilities management, and corporate services, ensuring a productive and supportive work environment for all employees. This executive drives initiatives to enhance organizational effectiveness and employee engagement across Calpine's diverse workforce. By streamlining administrative processes and implementing best practices, Rosemary Antonopoulos contributes to the company's operational agility and overall success. The Chief Administrative Officer's focus on internal infrastructure is key to supporting Calpine's mission of reliable energy generation.

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    Frequently Asked Questions Regarding Calpine Top Executives and Leadership Team

    Who leads Calpine?
    Calpine is led by Andrew Novotny (President & Chief Executive Officer), along with executives such as Zamir Rauf (Executive VP & Chief Financial Officer) and Haoran Wang (Chief Operating Officer).
    Who is part of Calpine’s executive team?
    The executive team of Calpine includes leaders such as Andrew Novotny (President & Chief Executive Officer), Zamir Rauf (Executive VP & Chief Financial Officer), Haoran Wang (Chief Operating Officer) and other senior executives.
    How many executives does Calpine have?
    Calpine has 9 executives leading key business areas.
    What roles are included in Calpine’s leadership team?
    The leadership team of Calpine includes roles such as President & Chief Executive Officer, Executive VP & Chief Financial Officer, Chief Operating Officer, Chief Risk Officer & Chief Revenue Officer, Senior Vice President and Chief Information Officer.