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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 Osf Healthcare Foundation Thomas G Hammerton

Thomas G Hammerton

OfficerTrustee/director

President OSF Healthcare Foundation and Chief Development Officer at Osf Healthcare Foundation

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

$742,547
2024

Total compensation

Thomas G Hammerton has been listed as an employee of Osf Healthcare Foundation in Form 990 filings since fiscal year 2017. Total compensation for Thomas G Hammerton has increased by 60.1% from 2017 to 2024.

Annual compensation details

$742,547
+55.1%
President OSF Healthcare Foundation and Chief Development Officer
2024
$616k related
3 hrs/wk
$127k other
--
$478,733
-25.9%
President OSF Healthcare Foundation Chief Development Officer
2023
$430k related
3 hrs/wk
$50k other
--

Total compensation by year

Compare the compensation of Thomas G Hammerton to:

2024

Other employees at Osf Healthcare Foundation

Robert C Sehring
Vice Chairperson Chief Executive Officer
$3,064,020
$0 from org$2,987,377 from related$76,643 other
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Revisions to this profile

January 25, 2026:
2024 Osf Healthcare Foundation 990 published
January 25, 2026:
2023 Osf Healthcare Foundation 990 published
January 25, 2026:
2022 Osf Healthcare Foundation 990 published

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$646,284
+35.3%
President OSF Healthcare Foundation Chief Development Officer
2022
$605k related
3 hrs/wk
$43k other
--
$477,768
-14.9%
President
2021
$431k related
43 hrs/wk
$48k other
--
$561,721
+7.9%
President
2020
$496k related
43 hrs/wk
$67k other
--
$520,488
+27.2%
President
2019
$461k related
43 hrs/wk
$61k other
--
$409,050
-11.8%
Board Member
2018
$363k related
47 hrs/wk
$47k other
--
$463,694
Board Member
2017
$418k related
47 hrs/wk
$46k other
--

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