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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 Developmental Services of Sullivan County Mark Mills

Mark Mills

Officer

Chief Executive Officer at Developmental Services of Sullivan County

Fiscal year ended June 30, 2025. Published on January 25, 2026.

$178,005
2025

Total compensation

Mark Mills has been listed as an employee of Developmental Services of Sullivan County in Form 990 filings since fiscal year 2017. Total compensation for Mark Mills has increased by 21.5% from 2017 to 2025.

Annual compensation details

$178,005
Chief Executive Officer
2025
$155k org
40 hrs/wk
$24k other
--
$181,919
+9.6%
Chief Executive Officer
2023
$182k org
40 hrs/wk
$165,936
-1.8%
Chief Executive Officer
2022

Total compensation by year

Compare the compensation of Mark Mills to:

2025

Other employees at Developmental Services of Sullivan County

John Braun
Chief Financial Officer
$132,439
$120,107 from orgNo related comp$12,332 other
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Revisions to this profile

January 25, 2026:
2025 Developmental Services of Sullivan County 990 published
January 25, 2026:
2023 Developmental Services of Sullivan County 990 published
January 25, 2026:
2022 Developmental Services of Sullivan County 990 published

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