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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 Ryan Seghesio

Ryan Seghesio

Officer

Vice President, Chief Financial OFF and Treasurer at California Independent System Operator Corporation

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

$999,639
2024

Total compensation

Ryan Seghesio has been listed as an employee of California Independent System Operator Corporation in Form 990 filings since at least fiscal year 2016. Total compensation for Ryan Seghesio has increased by 146.9% from 2016 to 2024.

Annual compensation details

$999,639
+7.6%
Vice President, Chief Financial OFF and Treasurer
2024
$860k org
40 hrs/wk
$141k other
--
$929,047
+5.7%
Vice President, CFO and Treasurer
2023
$797k org
40 hrs/wk
$133k other
--

Total compensation by year

Compare the compensation of Ryan Seghesio to:

2024

Other employees at California Independent System Operator Corporation

Elliott Mainzer
President and Chief Executive Officer
$2,308,710
$2,088,685 from orgNo related comp$220,025 other
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
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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$878,764
+20%
Vice President, CFO and Treasurer
2022
$752k org
40 hrs/wk
$128k other
--
$732,037
+11.3%
Vice President, CFO and Treasurer
2021
$614k org
40 hrs/wk
$119k other
--
$657,445
+0.4%
Vice President, CFO and Treasurer
2020
$550k org
40 hrs/wk
$108k other
--
$654,920
+29.6%
Vice President, CFO and Treasurer
2019
$556k org
40 hrs/wk
$100k other
--
$505,211
+17.2%
Vice President, CFO and Treasurer
2018
$420k org
40 hrs/wk
$86k other
--
$431,180
+6.5%
Chief Financial Officer and Treasurer
2017
$367k org
40 hrs/wk
$65k other
--
$404,853
Chief Financial Officer and Treasurer
2016
$347k org
40 hrs/wk
$59k other
--

Other people named Ryan Seghesio

2024
Employee
Ryan Seghesio
Financial Executives International - Sacramento Chapter
$0