Person · officer / director

William Masterson

Vice Pres./Business Agent - Past · International Union of Operating Engineers Local No 399

Vice Pres./Business Agent - Past at International Union of Operating Engineers Local No 399. Listed as an officer, director, or key employee across 5 organizations on the Form 990 record.

This is me

Ambiguous identity This name matches 1 other individual we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.

Organizations

Roles reported

Reported compensation

$104K

Others who share this name

Who this is

Profile

Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.

✓ Verified from filings

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Reported as Vice Pres./Business Agent - Past of International Union of Operating Engineers Local No 399, based in Chicago, IL.

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Received $104K in total reported compensation on the most recent Form 990 (Part VII).

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Also listed as Vice President/Director - Past of International Union of Operating Engineers Local 399 Building Corp, uncompensated.

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Also listed as Vice President/Director-Past of International Union of Operating Engineers Local 399 Building Corp II, uncompensated.

Facts extracted directly from each organization's Form 990, Part VII.

Biography In progress

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Affiliations

Organizations

Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.

International Union of Operating Engineers Local No 399 Vice Pres./Business Agent - Past · $13.2M revenue · Chicago, ILTHE UNION REPRESENTS ITS MEMBERS AND THE SERVICES PROVIDED TO THE MEMBERSHIP INCLUDE ARBITRATION, ORGANIZATION, AND NEGOTIATION AND IMPLEMENTATION OF…pay $174K → $104KFiled FY2023 · Source: Form 990, Part VII

$104Kreported comp

International Union of Operating Engineers Local 399 Building Corp Vice President/Director - Past · $1.6M revenue · Chicago, ILTO HOLD AND MANAGE REAL ESTATE.Filed FY2023 · Source: Form 990, Part VII

International Union of Operating Engineers Local 399 Building Corp II Vice President/Director-Past · $2.4M revenue · Chicago, ILTO HOLD AND MANAGE REAL ESTATE.Filed FY2023 · Source: Form 990, Part VII

International Union of Operating Engineers Local 399 Trustee - Past · $65.7M revenue · Chicago, ILTO PROVIDE HEALTH BENEFITSFiled FY2019 · Source: Form 990, Part VII

Intl Un of Operating Engrs Local 399 Health Reimbursement Account Trustee - Past · $4.3M revenue · Chicago, ILRETIREE-ONLY HEALTH REIMBURSEMENT ACCOUNT PLAN TO HELP DEFRAY THE COST OF HEALTHCARE COVERAGE.Filed FY2019 · Source: Form 990, Part VII

Disambiguation

Other people named William Masterson

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

William Masterson 1 organization · Boston, MATree Eastie INC

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

Patrick Kelly

President/Business Manager · FY2024

$207K

Roger McGinty

Fin. Secretary/Business Ag · FY2024

$197K

Vince Winters

Rec. Secretary/Business Ag · FY2024

$193K

Brian Hickey

President/Business Manager - Past · FY2020

$193K

Lloyd Osborne

Vice Pres./Business Agent · FY2024

$189K

Valerie Colvett

Business Agent · FY2024

$187K

John Hickey

Treasurer/Business Ag · FY2024

$176K

John Oconnor

Organizer · FY2024

$175K

John Hanley

Legislative Director · FY2024

$175K

Carrie Gath

Fund Administrator · FY2024

$173K

Peter McNamara

Staff Attorney · FY2024

$173K

Michael Masterson

Business Agent · FY2023

$168K

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