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Person · officer / director

Elliot Mainzer

President & CEO · California Independent System Operator Corporation

President & CEO at California Independent System Operator Corporation. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.

Ambiguous identity This name matches 1 other individual we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
2
Roles reported
2
Reported compensation
$834K
Others who share this name
1

Who this is

Profile

Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
Reported as President & CEO of California Independent System Operator Corporation, based in Folsom, CA.
Received $834K in total reported compensation on the most recent Form 990 (Part VII).
Also listed as Director of California Foundation on the Environment and the Economy, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
Biography Web-sourced

President and CEO of California Independent System Operator (CAISO) since September 2020, responsible for managing electricity flow serving 80% of California. Previously spent 18 years at Bonneville Power Administration as administrator and CEO, navigating major industry transformation.

Compiled from public web sources (4 cited), grounded to the filed record.

Track record

Career & tenure

Real tenure, career, and education — from public web sources, what you need to vet a founder or leader beyond the filing window.

Tenure here
September 2020-present
Education
  • UC Berkeley (Geography)
  • Environmental Management) · Yale University (MBA

Affiliations

Organizations

Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.

California Foundation on the Environment and the Economy Director · $2.6M revenue · Sacramento, CASee Schedule "O"Filed FY2024, FY2023, FY2022, FY2021, FY2020 · Source: Form 990, Part VII
California Independent System Operator Corporation President & CEO · $249.6M revenue · Folsom, CACALIFORNIA INDEPENDENT SYSTEM OPERATOR CORPORATION'S (CALIFORNIA ISO) MISSION STATEMENT HAS BEEN INCLUDED ON SCHEDULE O.pay $396K → $834KFiled FY2021, FY2020 · Source: Form 990, Part VII
$834Kreported comp

Disambiguation

Other people named Elliot Mainzer

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

E
Elliot Mainzer 1 organization · Portland, ORWestern Energy Institute

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

E
President & CEO · FY2024
$2.1M
M
Sr VP & Chief Operating Off. · FY2024
$1.5M
S
CEO Emeritus · FY2021
$1.1M
R
VP, Gen. Cnsl. & Chief Comp. Off. · FY2024
$901K
R
VP, Chief Financial Off. & Treasurer · FY2024
$859K
N
VP, Infrastructure & Ops Planning · FY2024
$815K
S
VP, External Affairs · FY2024
$806K
P
VP, Technology · FY2021
$787K
A
VP, Market Design & Analysis · FY2024
$786K
J
VP, Human Resources · FY2024
$779K
K
VP, Power Systems & Mkt Technology · FY2024
$721K
D
VP, System Operations · FY2024
$657K

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

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R
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D
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J
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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org