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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 United Steelworkers International Mark Sesock

Mark Sesock

Officer

Trustee at United Steelworkers International

Fiscal year ended December 31, 2023. Published on January 25, 2026.

$1,220
2023

Total compensation

Mark Sesock has been listed as an employee of United Steelworkers International in Form 990 filings since fiscal year 2020. Total compensation for Mark Sesock has increased by 52.5% from 2020 to 2023.

Annual compensation details

$1,220
+6.3%
Trustee
2023
$2k org
1 hr/wk
$1,148
+20.2%
Trustee
2022
$2k org
1 hr/wk
$955
+19.4%
Trustee
2021

Total compensation by year

Compare the compensation of Mark Sesock to:

2023

Other employees at United Steelworkers International

Robert Schrock
Financial Secretary
$42,921
$42,921 from orgNo related compNo other comp
Jeremie Estlock
Treasurer
$5,293
$5,293 from orgNo related compNo other comp
Matthew Dilauro
President
$1,765
$1,765 from orgNo related compNo other comp
Richard Nixon
Recording Secretary
$1,454
$1,454 from orgNo related compNo other comp
Duane Kasburg
Trustee
$1,220
$1,220 from orgNo related compNo other comp
Fred Denman
Guard
$1,170
$1,170 from orgNo related compNo other comp
Gordon Shaffer
Vice President
$1,028
$1,028 from orgNo related compNo other comp
Dave Vorshak
Trustee
$1,000
$1,000 from orgNo related compNo other comp
Stephen Anderson Jr
Guide
$150
$150 from orgNo related compNo other comp
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Revisions to this profile

January 25, 2026:
2023 United Steelworkers International 990 published
January 25, 2026:
2022 United Steelworkers International 990 published
January 25, 2026:
2021 United Steelworkers International 990 published

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