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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 International Republican Institute John S Mastic

John S Mastic

Highest compensated employee

Vice President, Programs at International Republican Institute

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

$270,867
2024

Total compensation

John S Mastic has been listed as an employee of International Republican Institute in Form 990 filings since fiscal year 2018. Total compensation for John S Mastic has increased by 55.1% from 2018 to 2024.

Annual compensation details

$270,867
+7.7%
Vice President, Programs
2024
$241k org
40 hrs/wk
$31k other
--
$251,517
+6.7%
Vice President, Programs
2023
$225k org
40 hrs/wk
$27k other
--

Total compensation by year

Compare the compensation of John S Mastic to:

2024

Other employees at International Republican Institute

Dr Daniel Twining
President
$493,635
$403,640 from orgNo related comp$89,995 other
Kimber Shearer Maier
Executive Vice President
$333,340
$276,055 from orgNo related comp$57,285 other
Kregg Halstead
Resident Program Director
$268,311
$239,782 from orgNo related comp$28,529 other
Hallam Ferguson
Vice President of Global Operations
$267,917
$243,865 from orgNo related comp$24,052 other
Antonia Ferrier
Vice President
$265,242
$242,598 from orgNo related comp$22,644 other
Patrick Quirk
Vice President of Strategy Innovation
$256,822
$233,887 from orgNo related comp$22,935 other
Santiago Stocker
Program Director
$244,705
$216,806 from orgNo related comp$27,899 other
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Revisions to this profile

January 25, 2026:
2024 International Republican Institute 990 published
January 25, 2026:
2023 International Republican Institute 990 published
January 25, 2026:
2022 International Republican Institute 990 published

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