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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees California Independent System Operator Corporation Elliott Mainzer

Elliott Mainzer

Officer

President and Chief Executive Officer at California Independent System Operator Corporation

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$2,308,710
2024

Total compensation

Elliott Mainzer has been listed as an employee of California Independent System Operator Corporation in Form 990 filings since fiscal year 2022. Total compensation for Elliott Mainzer has increased by 47.3% from 2022 to 2024.

Annual compensation details

$2,308,710
+13.3%
President and Chief Executive Officer
2024
$2.1M org
40 hrs/wk
$221k other
--
$2,037,207
+30%
President and Chief Executive Officer
2023
$1.8M org
40 hrs/wk
$191k other
--

Total compensation by year

Compare the compensation of Elliott Mainzer to:

2024

Other employees at California Independent System Operator Corporation

Mark Rothleder
Senior Vice President and Chief Operating OFF
$1,689,879
$1,486,414 from orgNo related comp$203,465 other
Roger Collanton
Vice President, GEN CNSL and Chief COMP OFF
$1,054,358
$900,539 from orgNo related comp$153,819 other
Ryan Seghesio
Vice President, Chief Financial OFF and Treasurer
$999,639
$859,314 from orgNo related comp$140,325 other
Stacey Crowley
Vice President, External Affairs
$928,181
$805,977 from orgNo related comp$122,204 other
Anna McKenna
Vice President, Market Design and Analysis
$926,644
$786,029 from orgNo related comp$140,615 other
Jodi Ziemathis
Vice President, Human Resources
$920,686
$779,475 from orgNo related comp$141,211 other
Neil Millar
Vice President, Infrastructure and OPS Planning
$919,172
$815,105 from orgNo related comp$104,067 other
Khaled Abdul-Rahman
Vice President, Power Systems and MKT Technology
$852,949
$721,409 from orgNo related comp$131,540 other
Dede Subakti
Vice President, System Operations
$775,060
$656,944 from orgNo related comp$118,116 other
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Revisions to this profile

January 25, 2026:
2024 California Independent System Operator Corporation 990 published
January 25, 2026:
2023 California Independent System Operator Corporation 990 published
January 25, 2026:
2022 California Independent System Operator Corporation 990 published

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$1,567,293
President and Chief Executive Officer
2022
$1.4M org
40 hrs/wk
$152k other
--

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2024
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