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Jeffrey B. Guldner

Chairman of the Board, President and Chief Executive Officer
Pinnacle West Capital Corp.
Chairman of the Board and Chief Executive Officer
Arizona Public Service Company

Jeff Guldner leads Pinnacle West Capital Corporation and its primary subsidiary, Arizona Public Service Company (APS). The companies are headquartered in Phoenix.

APS employs more than 6,000 people and serves more than 1.3 million homes and businesses across Arizona. The company is among the nation’s top utilities for delivering clean and reliable energy to its customers and is working to fulfill its ambitious commitment to deliver 100% clean, carbon-free electricity to customers by 2050. APS operates the Palo Verde Generating Station, the nation’s largest energy producer—all of it carbon free—and ranks among the top five investor-owned utilities for solar energy capacity.

Since becoming CEO in 2019, his vision has launched the company’s Clean Energy Commitment and a multi-year culture transformation while navigating through a worldwide pandemic. Guldner is a frequent speaker on the clean energy transition and energy policy, leading through change and veteran employment. He serves on the Board of Directors for Nuclear Energy Institute, Edison Electric Institute, the Smart Electric Power Alliance and the McCain Institute.

In addition to industry leadership, Guldner is dedicated to community involvement and actively serves on boards of directors for Greater Phoenix Leadership, Greater Phoenix Economic Council and Arizona State University’s Knowledge Exchange for Resilience. As a champion for Arizona’s arts and culture, Guldner volunteers his time with numerous performing arts organizations and as advocates for the role Arizona’s arts and culture play to a robust local economy.

Prior to APS, Guldner was a partner in the Phoenix office of Snell & Wilmer LLP, where he practiced public utility, telecommunications, and energy law. Guldner also served as a surface warfare officer in the United States Navy and was an assistant professor of naval science at the University of Washington.

He earned a Bachelor of Arts degree from the University of Iowa and graduated magna cum laude from the Arizona State University College of Law.