![Jeffrey Guldner](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Jeffrey Guldner
Director/Board Member at
NEXTPOWER INC.
Net worth: 2 M $ as of 2026-09-29
Profile
Presently, Jeffrey B. Guldner holds the position of Chairman for East Valley Partnership. Mr. Guldner is also Chairman & Chief Executive Officer for Arizona Public Service Co., Chairman, President & Chief Executive Officer at Pinnacle West Capital Corp. and Chairman for Greater Phoenix Economic Council and on the board of 9 other companies. He previously held the position of Partner at Snell & Wilmer LLP, Principal at United States Navy (District of Columbia) and Assistant Professor at the University of Washington. Mr. Guldner received an undergraduate degree from the University of Iowa and a graduate degree from Sandra Day Oconnor College of Law.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-11 | 9,466 ( 0.01% ) | 880 717 $ | 2026-09-29 | |
NEXTPOWER INC. 0.01% | 2026-08-18 | 10,603 ( 0.01% ) | 826 292 $ | 2026-09-29 |
| 2026-05-06 | 0 ( -.--% ) | - $ | 2026-09-29 |
Latest news about Jeffrey Guldner
Jeffrey Guldner active positions
| Companies | Position | Start |
|---|---|---|
| NEXTPOWER INC. | Director/Board Member | 2024-06-13 |
| DUKE ENERGY CORPORATION | Director/Board Member | 2025-09-14 |
Edison Electric Institute, Inc.
 Edison Electric Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Offers reference materials and information resources on the electricity industry to its members | Director/Board Member | 2019-10-31 |
Arizona State University
 Arizona State University Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Knowledge Exchange
 Knowledge Exchange Knowledge Exchange, also known as Knowledge Exchange Institute, is a company that offers study abroad programs in various fields such as marketing, finance, accounting, economics, journalism, media, PR, advertising, computer science, software engineering, AI, IT, pre-med, nursing, public health, nutrition, physical therapy, psychology, exercise science, management, and training. The company is located in the US. | Director/Board Member | - |
Bright Canyon Energy Corp.
 Bright Canyon Energy Corp. Electric UtilitiesUtilities Generates and distributes electricity | Director/Board Member | - |
Electric Power Research Institute, Inc.
 Electric Power Research Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Provides energy and environmental research services | Director/Board Member | 2023-04-26 |
McCain Institute for International Leadership
 McCain Institute for International Leadership Miscellaneous Commercial ServicesCommercial Services Engages in human dignity program | Director/Board Member | - |
Greater Phoenix Leadership, Inc.
 Greater Phoenix Leadership, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as business leadership organization | Director/Board Member | - |
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Former positions of Jeffrey Guldner
| Companies | Position | End |
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| ░░░░░░░░░░ ░░ ░░░░░░░░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | - |
Education of Jeffrey Guldner
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
76
1st degree connections
29
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 29 |
|---|---|
Arizona Public Service Co.
 Arizona Public Service Co. Electric UtilitiesUtilities Provides electric utility services | Utilities |
Pinnacle West Capital Corp.
 Pinnacle West Capital Corp. Electric UtilitiesUtilities Operates as a ? electric utility holding company | Utilities |
Nextpower, Inc.
 Nextpower, Inc. Electronic Equipment/InstrumentsElectronic Technology Designs, manufactures, distributes and installs single axis solar trackers and photovoltaic systems & provides software solutions | Electronic Technology |
University of Washington
 University of Washington Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Snell & Wilmer LLP
 Snell & Wilmer LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
Arizona State University
Arizona State University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Massachusetts Institute of Technology
 Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University | Finance |
University of Iowa
 University of Iowa Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Electric Power Research Institute, Inc.
Electric Power Research Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Provides energy and environmental research services | Commercial Services |
Edison Electric Institute, Inc.
Edison Electric Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Offers reference materials and information resources on the electricity industry to its members | Commercial Services |
Duke Energy Corp.
 Duke Energy Corp. Electric UtilitiesUtilities Generates, transmits and distributes electricity & natural gas | Utilities |
US Department of the Navy (District of Columbia)
 US Department of the Navy (District of Columbia) SovereignGovernment Naval service branch of the government | Government |
Institute of Nuclear Power Operations, Inc.
 Institute of Nuclear Power Operations, Inc. Electric UtilitiesUtilities Operates commercial nuclear power plants | Utilities |
National Association of Manufacturers
 National Association of Manufacturers Miscellaneous Commercial ServicesCommercial Services Operates as a trade association | Commercial Services |
Pinnacle West Energy Corp.
 Pinnacle West Energy Corp. Electric UtilitiesUtilities Provides electricity and water utility services | Utilities |
Nuclear Energy Institute
 Nuclear Energy Institute Electric UtilitiesUtilities Provides policy-making process for the nuclear energy and technology industries | Utilities |
Greater Phoenix Leadership, Inc.
Greater Phoenix Leadership, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as business leadership organization | Commercial Services |
Greater Phoenix Economic Council
 Greater Phoenix Economic Council Miscellaneous Commercial ServicesCommercial Services Operates as economic development organization | Commercial Services |
Knowledge Exchange
Knowledge Exchange Knowledge Exchange, also known as Knowledge Exchange Institute, is a company that offers study abroad programs in various fields such as marketing, finance, accounting, economics, journalism, media, PR, advertising, computer science, software engineering, AI, IT, pre-med, nursing, public health, nutrition, physical therapy, psychology, exercise science, management, and training. The company is located in the US. | |
Arizona Theatre Co.
 Arizona Theatre Co. Movies/EntertainmentConsumer Services Provides theatrical production services | Consumer Services |
East Valley Partnership
 East Valley Partnership Investment ManagersFinance Functions as a Pension/Retirement Fund | Finance |
Herberger Theater Center | |
Arizona Project Challenge | |
Sandra Day Oconnor College of Law
 Sandra Day Oconnor College of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
McCain Institute for International Leadership
McCain Institute for International Leadership Miscellaneous Commercial ServicesCommercial Services Engages in human dignity program | Commercial Services |
Morrison Institute for Public Policy | |
Bright Canyon Energy Corp.
Bright Canyon Energy Corp. Electric UtilitiesUtilities Generates and distributes electricity | Utilities |
Smart Electric Power Alliance
 Smart Electric Power Alliance Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that provides educational and support services for electric utilities sector | Commercial Services |
Partnership For Economic Innovation
 Partnership For Economic Innovation Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit economic development organization that brings together business, government, academic partners to drive innovation, workforce development & regional economic growth | Commercial Services |
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