Duke Energy announced that Jeffrey Guldner will join its board of directors starting September 15. He will also serve on the Compensation and People Development Committee and 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, added, “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 is staying with Pinnacle West in an advisory role until March 2026.
During his time leading APS, Arizona saw significant economic expansion. Under Guldner’s leadership, APS was able to meet increased energy demand while maintaining service reliability and affordability for customers.
Guldner also serves on the boards of the Smart Electric Power Alliance and the McCain Institute. Before joining APS, he worked as a partner at Snell & Wilmer LLP in Phoenix focusing on public utility law. Earlier in his career he served as a surface warfare officer in the U.S. Navy and taught naval science at the University of Washington. He holds degrees from the University of Iowa and Arizona State University College of Law.
Duke Energy is based in Charlotte, North Carolina. The company provides electric service to approximately 8.6 million customers across six states—North Carolina, South Carolina, Florida, Indiana, Ohio, and Kentucky—and owns more than 55 gigawatts of energy capacity. Its natural gas utilities serve about 1.7 million customers across five states.
The company is investing heavily in modernizing its electric grid infrastructure while expanding cleaner power generation options such as renewables alongside nuclear power plants duke-energy.com.
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