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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 Glsen Inc. Joseph Kosciw

Joseph Kosciw

Highest compensated employee

Director of Research Insti at Glsen Inc.

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

$237,857
2023

Total compensation

Joseph Kosciw has been listed as an employee of Glsen Inc. in Form 990 filings since at least fiscal year 2016. Total compensation for Joseph Kosciw has increased by 17.8% from 2016 to 2023.

Annual compensation details

$237,857
+2.3%
Director of Research Insti
2023
$207k org
40 hrs/wk
$32k other
--
$232,431
+3.6%
Director of Research Institute
2022
$201k org
40 hrs/wk
$32k other
--

Total compensation by year

Compare the compensation of Joseph Kosciw to:

2023

Other employees at Glsen Inc.

Melanie Willingham-Jaggers
Executive Director
$321,506
$304,829 from orgNo related comp$16,677 other
David Eng
Deputy Director
$211,851
$194,028 from orgNo related comp$17,823 other
Olga Giraldo-Collins
Deputy Director
$210,819
$180,645 from orgNo related comp$30,174 other
Aaron Ridings
Chief of Staff
$205,277
$202,412 from orgNo related comp$2,865 other
Crystal Jackson
Deputy Director
$199,041
$194,131 from orgNo related comp$4,910 other
Arata Furuya
Manager
$132,291
$132,047 from orgNo related comp$244 other
Nhan Truong
Senior Research Associate
$115,703
$106,662 from orgNo related comp$9,041 other
Ashley Dinan
Senior Manager
$114,886
$100,106 from orgNo related comp$14,780 other
Stephen Mancuso
SR Major and Individual Giving Officer
$100,907
$100,017 from orgNo related comp$890 other
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Revisions to this profile

January 25, 2026:
2023 Glsen Inc. 990 published
January 25, 2026:
2022 Glsen Inc. 990 published
January 24, 2026:
2021 Glsen Inc. 990 published

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