Leadership Overview
Calpine has 6 executives leading key functions including strategy, operations, revenue management, information technology, and legal affairs.
Focused on sustainable energy production, Calpine delivers reliable natural gas and geothermal power across the United States while maintaining a commitment to operational excellence and grid stability.
Focused on sustainable energy production, Calpine delivers reliable natural gas and geothermal power across the United States while maintaining a commitment to operational excellence and grid stability.
Leadership Roles at Calpine
Andrew Novotny - President & Chief Executive Officer, Calpine & Senior Executive VP, Constellation Power Operations
Andrew Novotny, the President & Chief Executive Officer, Calpine & Senior Executive VP, Constellation Power Operations at Calpine, directs the overarching strategic vision for the entire power generation portfolio. Overseeing the integration of natural gas and geothermal assets, the President & Chief Executive Officer, Calpine & Senior Executive VP, Constellation Power Operations ensures alignment between corporate objectives and national energy demands. This leadership role involves managing complex stakeholder relationships and driving long-term growth across North American markets. By optimizing the generation fleet, Andrew Novotny directly impacts the company's ability to provide reliable electricity to the grid. Furthermore, the President & Chief Executive Officer, Calpine & Senior Executive VP, Constellation Power Operations coordinates with the Board to maintain financial health and operational safety standards. Through rigorous oversight of power operations, Novotny secures the competitive position of the organization within the evolving energy landscape.

Yuran Zhao - Chief Operating Officer
Yuran Zhao, the Chief Operating Officer at Calpine, manages the daily performance of the diverse fleet of power plants. Overseeing technical maintenance and plant efficiency, the Chief Operating Officer ensures that natural gas and geothermal facilities operate at peak capacity. This leadership role involves coordinating with regional plant managers to streamline production workflows and minimize downtime across the United States. By implementing advanced monitoring systems, Yuran Zhao directly impacts the operational reliability of the entire energy portfolio. Furthermore, the Chief Operating Officer evaluates performance metrics to identify opportunities for process improvements and cost reductions. Through consistent focus on plant safety and environmental compliance, Zhao maintains the integrity of the generation assets. The Chief Operating Officer drives the technical execution of the company mission by ensuring that every facility meets the rigorous demands of the modern power market.
Aaron Thompson - Chief Revenue Officer & Control Room Operator
Aaron Thompson, the Chief Revenue Officer & Control Room Operator at Calpine, directs the commercial strategy and real-time dispatch operations for the generation portfolio. Overseeing market analysis and energy trading, the Chief Revenue Officer & Control Room Operator ensures that power output aligns with fluctuating demand across regional grids. This leadership role involves managing the financial performance of energy assets while simultaneously monitoring grid conditions to optimize dispatch decisions. By leveraging market insights, Aaron Thompson directly impacts the revenue generation and profitability of the company. Furthermore, the Chief Revenue Officer & Control Room Operator collaborates with the executive team to refine pricing strategies and risk management protocols. Through precise control room management and strategic revenue planning, Thompson secures the financial stability of the organization. The Chief Revenue Officer & Control Room Operator drives growth by balancing immediate grid requirements with long-term commercial objectives.
Hari Chandrasekaran - Senior Vice President and Chief Information Officer
Hari Chandrasekaran, the Senior Vice President and Chief Information Officer at Calpine, directs the digital infrastructure and cybersecurity frameworks supporting the power generation business. Overseeing the implementation of advanced data analytics, the Senior Vice President and Chief Information Officer ensures that plant operations benefit from secure and efficient information systems. This leadership role involves protecting critical energy infrastructure from digital threats while enabling seamless communication across the national footprint. By modernizing the technology stack, Hari Chandrasekaran directly impacts the operational efficiency and data integrity of the organization. Furthermore, the Senior Vice President and Chief Information Officer collaborates with other executives to integrate digital solutions into the core business model. Through the deployment of robust IT strategies, Chandrasekaran supports the scalability of the power generation fleet. The Senior Vice President and Chief Information Officer drives innovation by aligning technological capabilities with the specific needs of the energy sector.
Kurt Seel - Senior VP & Chief Information Officer
Kurt Seel, the Senior VP & Chief Information Officer at Calpine, directs the enterprise-wide software architecture and digital transformation initiatives. Overseeing the development of internal platforms, the Senior VP & Chief Information Officer ensures that administrative and operational teams possess the tools necessary for high-performance workflows. This leadership role involves managing the lifecycle of enterprise applications and optimizing the digital connectivity of the corporate office. By streamlining internal processes, Kurt Seel directly impacts the productivity and agility of the entire workforce. Furthermore, the Senior VP & Chief Information Officer works with department heads to identify technological bottlenecks and implement scalable solutions. Through the management of complex software ecosystems, Seel maintains the technological foundation required for sustained growth. The Senior VP & Chief Information Officer drives organizational efficiency by ensuring that all digital assets support the broader mission of providing reliable energy to the market.
W. Miller - Executive Vice Chairman & Chief Legal Officer
W. Miller, the Executive Vice Chairman & Chief Legal Officer at Calpine, directs the legal strategy and corporate governance frameworks for the organization. Overseeing regulatory compliance and contract negotiations, the Executive Vice Chairman & Chief Legal Officer ensures that all business activities adhere to federal and state energy laws. This leadership role involves managing complex litigation and providing counsel on strategic acquisitions within the geothermal and natural gas sectors. By mitigating legal risks, W. Miller directly impacts the long-term stability and reputation of the company. Furthermore, the Executive Vice Chairman & Chief Legal Officer advises the Board on governance matters and policy developments affecting the energy industry. Through the application of rigorous legal standards, Miller protects the interests of the organization and its stakeholders. The Executive Vice Chairman & Chief Legal Officer drives corporate integrity by ensuring that all operations remain within the bounds of regulatory requirements.

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