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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 Association of Machinists and Aerospace Workers District Lodge 15 William Senff

William Senff

Highest compensated employee

Business Representative at International Association of Machinists and Aerospace Workers District Lodge 15

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$210,479
2024

Total compensation

William Senff has been listed as an employee of International Association of Machinists and Aerospace Workers District Lodge 15 in Form 990 filings since fiscal year 2020. Total compensation for William Senff has increased by 15.2% from 2020 to 2024.

Annual compensation details

$210,479
+3.2%
Business Representative
2024
$163k org
40 hrs/wk
$48k other
--
$203,896
+6.5%
Business Representative
2023
$158k org
40 hrs/wk
$47k other
--

Total compensation by year

Compare the compensation of William Senff to:

2024

Other employees at International Association of Machinists and Aerospace Workers District Lodge 15

Norman Shreve
Directing Business REP
$252,473
$218,384 from orgNo related comp$34,089 other
Edward Vertabedian
Business Representative
$232,532
$194,414 from orgNo related comp$38,118 other
David Mark Hammond
Business Representative
$196,697
$162,608 from orgNo related comp$34,089 other
Kevin Weidman
Business Representative
$158,855
$141,900 from orgNo related comp$16,955 other
Marianne Desantis
Secretary and Treasurer
$127,950
$78,608 from orgNo related comp$49,342 other
John McLoughlin
President
$5,400
$5,400 from orgNo related compNo other comp
William Katala
Former Vice President
$450
$450 from orgNo related compNo other comp
Dominic Taibbi
Vice President
$0
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Revisions to this profile

January 25, 2026:
2024 International Association of Machinists and Aerospace Workers District Lodge 15 990 published
January 25, 2026:
2023 International Association of Machinists and Aerospace Workers District Lodge 15 990 published
January 25, 2026:
2022 International Association of Machinists and Aerospace Workers District Lodge 15 990 published

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Other people named William Senff

2024
Board Member
William Senff
International Association of Machnists District 15 Health Fund
$0
Board Member
William Senff
Lodge 447 Fringe Benefit Trust
$0
Board Member
William Senff
District 15 IAM Building Corporation
$0
Employee
William Senff
International Association of Machinists and Aerospace Workers-Eureka Lodge #434
$0