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Pinnacle West Capital


For more than 120 years, Pinnacle West and our affiliates have provided energy and energy-related products to people and businesses throughout Arizona. Based in Phoenix, Pinnacle West has consolidated assets of about $11 billion.


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Jeffrey B. Guldner
Chairman of the Board, President and Chief Executive Officer
Andrew Cooper
SVP & Chief Financial Officer
Juli West
Vice President, Supply Chain, Arizona Public Service Company
Monica Whiting
Vice President, Customer Experience, Arizona Public Service Company
Jose Esparza
VP, Regulatory, Arizona Public Service Company
Cary Harbor
VP, Nuclear Regulatory & Oversight
Traci Stooks-Dermer
VP, Operations Support
Rex Meeden
VP, Nuclear Engineering
Michelle Ferrara
VP & Chief Information Officer
Adam Heflin
EVP & Chief Nuclear Officer
John Lucas
VP, Generation
Justin Joiner
VP, Resource Management
Chuck Kharrl
VP Site Operations & General Plant Manager
Jacob Tetlow
VP Transmission and Distribution Operations
Michael E. McLaughlin
VP Operations Support
Todd Horton
SVP, Site Operation
Tony Tewelis
VP, Transmission and Distribution Operations
Ann Becker
VP, Sustainability
Donna Easterly
SVP, HR & Ethics
John Hatfield
VP Communications
Robert S. Aiken
VP Federal Affairs
Stacy Derstine
VP, External Affairs

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