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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 American Rivers Inc. Frederick Illston

Frederick Illston

Highest compensated employee

Vice President, Policy and Gov'T (Thru 4/5/25) at American Rivers Inc.

Fiscal year ended June 30, 2024. Published on January 25, 2026.

$176,900
2024

Total compensation

Frederick Illston has been listed as an employee of American Rivers Inc. in Form 990 filings since fiscal year 2021. Total compensation for Frederick Illston has increased by 36.6% from 2021 to 2024.

Annual compensation details

$176,900
+17.6%
Vice President, Policy and Gov'T (Thru 4/5/25)
2024
$146k org
40 hrs/wk
$32k other
--
$150,407
+10.9%
Vice President, Policy and Government Relations
2023
$129k org
40 hrs/wk
$22k other
--

Total compensation by year

Compare the compensation of Frederick Illston to:

2024

Other employees at American Rivers Inc.

Thomas Kiernan
President
$414,885
$372,290 from orgNo related comp$42,595 other
Paula Wolferseder Yabar
Senior Vice President, ADV
$229,331
$219,939 from orgNo related comp$9,392 other
Heather Taylor-Miesle
Senior Vice President
$208,978
$193,751 from org$7,872 from related$7,355 other
Jennifer Hoffner
Vice President, Conservation Strategie
$207,874
$170,685 from orgNo related comp$37,189 other
Kristin May
Chief Financial Officer
$206,227
$187,073 from orgNo related comp$19,154 other
Jennifer Marshall
Assistant Secretary
$205,649
$163,307 from org$9,325 from related$33,017 other
Amanda Kober
Vice President, Communications
$172,238
$136,868 from orgNo related comp$35,370 other
Melissa Lewis
Vice President, PPL Justice and Cultural
$166,639
$165,432 from orgNo related comp$1,207 other
Patricia Callahan
Program Director
$148,702
$147,956 from orgNo related comp$746 other
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Revisions to this profile

January 25, 2026:
2024 American Rivers Inc. 990 published
January 25, 2026:
2023 American Rivers Inc. 990 published
January 25, 2026:
2022 American Rivers Inc. 990 published

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