Duke Energy has announced the appointment of Jeffrey Guldner to its board of directors, effective September 15. Guldner will also join the Compensation and People Development Committee as well as the Finance and Risk Management Committee.
Harry Sideris, president and chief executive officer of Duke Energy, said, “As Duke Energy delivers day in and day out for our customers during a time of historic growth in the industry, Jeff’s leadership and energy sector insights bring incredible value to our company as we shape the future of energy. We look forward to working with Jeff as we advance Duke Energy’s strategy and continue to provide exemplary governance for our stakeholders.”
Ted Craver, independent chair of the Duke Energy board of directors, commented on Guldner’s experience: “From his distinguished career at Pinnacle West Capital Corporation and its primary subsidiary, Arizona Public Service Company (APS), Jeff has led through pivotal moments of execution and transformation. His prior experience provides a unique lens that will strengthen the board with distinct perspectives and help drive constructive outcomes for Duke Energy, its employees, customers and shareholders.”
Guldner retired from his roles as chairman of the board, president, and CEO at Pinnacle West Capital Corporation and APS on March 31, 2025. He remains with Pinnacle West in a non-executive advisory role until March 2026.
During his time as CEO at APS, Arizona saw significant economic growth. Guldner helped APS manage increased energy demands while maintaining affordability and reliability for customers. He is noted for his commitment to respect for both customers and employees.
Guldner currently serves on the boards of the Smart Electric Power Alliance and the McCain Institute. Before joining APS, he was a partner at Snell & Wilmer LLP in Phoenix practicing public utility, telecommunications, and energy law. He also served as a surface warfare officer in the United States Navy and taught naval science at the University of Washington. Guldner holds degrees from the University of Iowa and Arizona State University College of Law.
Duke Energy is one of America’s largest energy holding companies with electric utilities serving 8.6 million customers across six states including Florida. The company is focused on an energy transition that includes grid upgrades and investments in cleaner generation sources such as natural gas, nuclear power, renewables, and energy storage (https://www.duke-energy.com/our-company/about-us).
For more information about Duke Energy’s operations or initiatives visit their website or follow them on social media platforms.


