Pinnacle West Capital Corp - Company Profile

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Pinnacle West Capital Corp: Executives

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The following section provides information on Pinnacle West Capital Corp’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Pinnacle West Capital Corp's management and employees, unlock the full data with our company analytics monitoring tool.

Executives

Theodore N. Geisler

Chief Executive Officer; President; Chairman Executive Board Since: 2025 Age: 47

Mr. Theodore N. Geisler has been the Chairman, Chief Executive Officer and President of the company since April 2025. Prior to this, he served as the Senior Vice President and Chief Financial Officer of the company. Currently, he also serves as the President, Chairman and Chief Executive Officer of APS.

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Andrew D. Cooper

Senior Vice President; Chief Financial Officer Senior Management Since: 2022 Age: 47

Mr. Andrew Cooper has been the Senior Vice President and Chief Financial Officer of the company since May 2022. Prior to this, he served as the Vice President and Treasurer of the company. Mr. Cooper also served as the Director of corporate finance at Consolidated Edison Company.

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Elizabeth A. Blankenship

Chief Accounting Officer; Vice President; Controller Senior Management Since: 2019 Age: 54

Ms. Elizabeth A. Blankenship has been the Vice President, Controller and Chief Accounting Officer of Pinnacle West since 2019. Prior to this, she served as the General Manager of Accounting Operations of APS, and its Director of Accounting Operations from 2014 to 2019. Ms. Blankenship also held accounting positions in the banking and healthcare industries. Currently, she also serves as the Vice President, Controller and Chief Accounting Officer of APS.

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Adam C. Heflin

Executive Vice President - Palo Verde Generating Station and Arizona Public Service Company; Chief Nuclear Officer - Palo Verde Generating Station and Arizona Public Service Company Senior Management Since: 2022 Age: 62

Mr. Adam C. Heflin has been the Executive Vice President of Palo Verde, of APS and Chief Nuclear Officer of Palo Verde, of APS of the company since 2022. Prior to this, he was also the Chief Executive Officer and Chief Nuclear Officer of the Wolf Creek Nuclear Operating Corporation. He was also the Chief Nuclear Officer at Ameren’s Callaway Energy Center.

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Michelle M. Ferrara

Vice President - Arizona Public Service Company; Chief Information Officer - Arizona Public Service Company Senior Management

Ms. Michelle M. Ferrara has been the Vice President, Chief Information Officer for Arizona Public Service. Prior to this, she held various leadership positions at Exelon.

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