Diana Day

Director/Board Member at SOUTHERN CALIFORNIA GAS COMPANY

Net worth: 2 M $ as of 2026-05-30

61 year

Utilities

Consumer Services

Profile

Currently, Diana L.
Day is Director at Southern California Gas Co. since 2022 and Secretary & Chief Risk Officer at Sempra since 2019.
Formerly, Ms. Day was Chief Risk Officer, General Counsel & Senior VP at San Diego Gas & Electric Co. from 2020 to 2022.
Education includes undergraduate studies at Washington State University and graduate studies at the University of Virginia School of Law.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
SEMPRA 0%	2026-05-13	23,289 ( 0% )	2 M $	2026-05-30

Diana Day active positions

Companies	Position	Start
SOUTHERN CALIFORNIA GAS COMPANY	Director/Board Member	2022-10-25
SEMPRA	General Counsel	2023-12-31

All active positions of Diana Day

Former positions of Diana Day

Companies	Position	End
San Diego Gas & Electric Co. San Diego Gas & Electric Co. Electric UtilitiesUtilities Provides natural gas electricity utility services	Compliance Officer	-

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Training of Diana Day

Experiences
Positions held

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Private companies

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Connections

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Members of the board

Executives

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Linked companies

Private companies	5
San Diego Gas & Electric Co. San Diego Gas & Electric Co. Electric UtilitiesUtilities Provides natural gas electricity utility services	Utilities
Southern California Gas Co. Southern California Gas Co. Gas DistributorsUtilities Distributes natural gas	Utilities
Sempra Sempra Gas DistributorsUtilities Operates as a holding company whose subsidiaries engages in transmission, distribution and storage of natural gas & electricity and develops, builds, operates and invests in energy infrastructure	Utilities
Washington State University Washington State University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of Virginia School of Law University of Virginia School of Law Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services