Sempra - Company Profile

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Sempra: Executives

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

Executives

Jeffrey W. Martin

Chairman; Chief Executive Officer; President Executive Board Since: 2020 Age: 64

Mr. Jeffrey W. Martin has been the Chairman, President and Chief Executive Officer of the company since March 2020. Prior to this, he served as the Executive Vice President and Chief Financial Officer of the company from 2017 to 2018 and as the Chairman, President, Chief Executive Officer and Director of SDG&E. Mr. Martin also served as the Chief Financial Officer of NewEnergy Inc; Corporate Counsel at UniSource Energy Corporation; and a Director of the California Chamber of Commerce, Edison Electric Institute and National Association of Manufacturers. Currently, Mr. Martin also serves as a Director of Oncor Electric Delivery Company LLC.

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Karen L. Sedgwick

Chief Financial Officer; Executive Vice President Senior Management Since: 2024 Age: 59

Ms. Karen Sedgwick has been the Chief Financial Officer and Executive Vice President of the company since 2024. Prior to this, she served as a Chief Administrative Officer and Chief Human Resources Officer of Sempra. Ms. Sedgwick also served as the Chief Administrative Officer and Chief Human Resources Officer at San Diego Gas & Electric (SDG&E).

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Dyan Z. Wold

Chief Accounting Officer; Controller; Vice President Senior Management Since: 2025 Age: 50

Ms. Dyan Z. Wold has been the Vice President, Controller and Chief Accounting Officer of the company since 2025. Prior to this, she served as the Chief Accounting Officer of Sempra Infrastructure from September 2023 to July 2025. Ms. Wold was also the Vice President and Controller of Sempra Infrastructure from 2021 to 2025. Previously, she was also the Controller of Sempra LNG from 2019 to 2021.

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Diana L. Day

Chief - Legal Counsel; Secretary Senior Management Since: 2025 Age: 61

Ms. Diana L. Day has been the Chief Legal Counsel and Secretarty of the company since 2024. Prior to this, she was the Chief legal Counsel of the company from 2024 to 2025. She also served as Senior Vice President and General Counsel at San Diego Gas & Electric (SDG&E) from August 2020 to October 2022. Ms. Day also served as the Chief Risk Officer, General Counsel and Vice President of SDG&E.

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Lisa M. Larroque Alexander

Senior Vice President - Corporate Affairs and Human Resources Senior Management Since: 2025 Age: 52
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