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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 Waterkeeper Alliance Inc. Mary Beth Postman

Mary Beth Postman

Key employee

Deputy Director at Waterkeeper Alliance Inc.

Fiscal year ended June 30, 2023. Published on January 25, 2026.

$232,064
2023

Total compensation

Mary Beth Postman has been listed as an employee of Waterkeeper Alliance Inc. in Form 990 filings since fiscal year 2018. Total compensation for Mary Beth Postman has decreased by 0.3% from 2018 to 2023.

Annual compensation details

$232,064
-10.1%
Deputy Director
2023
$232k org
50 hrs/wk
$1k other
--
$258,174
+24.7%
Deputy Director
2022
$244k org
50 hrs/wk
$15k other
--

Total compensation by year

Compare the compensation of Mary Beth Postman to:

2023

Other employees at Waterkeeper Alliance Inc.

Marc Yaggi
Chief Executive Officer
$291,891
$262,249 from orgNo related comp$29,642 other
Daniel Estrin
General Counsel/Advocacy Director
$226,732
$198,598 from orgNo related comp$28,134 other
Rachel Cook
Chief Finance and Operations Officer
$190,917
$180,440 from orgNo related comp$10,477 other
Kathryn Cecil
FMR Development Director
$163,407
$144,456 from orgNo related comp$18,951 other
Kelly Hunter Foster
Senior Attorney
$157,459
$139,085 from orgNo related comp$18,374 other
Lori Harrison
Communications and Marketing Director
$157,222
$129,088 from orgNo related comp$28,134 other
Chris Wilke
Global Advocacy Manager
$131,899
$112,948 from orgNo related comp$18,951 other
Katherine Luscher
Training Director
$116,600
$106,123 from orgNo related comp$10,477 other
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Revisions to this profile

January 25, 2026:
2023 Waterkeeper Alliance Inc. 990 published
January 25, 2026:
2022 Waterkeeper Alliance Inc. 990 published
January 25, 2026:
2021 Waterkeeper Alliance Inc. 990 published

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