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Person · officer / director

Mark Dimondstein

President Till Nov. 2025 · American Postal Workers Union Afl-CIO

President Till Nov. 2025 at American Postal Workers Union Afl-CIO. Listed as an officer, director, or key employee across 5 organizations on the Form 990 record.

This is me
Ambiguous identity This name matches 2 other individuals 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
5
Roles reported
5
Reported compensation
$188K
Others who share this name
2

Who this is

Profile

The filed facts are verified from the IRS filings. The biography is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
●
Reported as President Till Nov. 2025 of American Postal Workers Union Afl-CIO, based in Washington, DC.
●
Received $188K in total reported compensation on the most recent Form 990 (Part VII).
●
Also listed as President Until Nov. 2025 of E C Hallbeck Memorial Scholarship Fund, uncompensated.
●
Also listed as President Until Nov. 2025 of American Postal Workers Union Holding Corporation, 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.

American Postal Workers Union Afl-CIO President Till Nov. 2025 · $66.0M revenue · Washington, DCAPWU IS RESPONSIBLE FOR THE NEGOTIATION AND IMPLEMENTATION OF A COLLECTIVE BARGAINING CONTRACT WITH THE USPS ON BEHALF OF THE MEMBERS OF THE UNION…pay $181K → $188KFiled FY2025 · Source: Form 990, Part VII
$188Kreported comp
E
E C Hallbeck Memorial Scholarship Fund President Until Nov. 2025 · $53K revenue · Washington, DCTO GRANT COLLEGE SCHOLARSHIPS TO QUALIFIED DEPENDENTS OF MEMBERS OF THE AMERICAN POSTAL WOKERS UNION.Filed FY2025 · Source: Form 990, Part VII
A
American Postal Workers Union Holding Corporation President Until Nov. 2025 · Washington, DCHOLD TITLE TO PROPERTY AND COLLECT THE INCOME THEREFROM ON BEHALF OF THE AMERICAN POSTAL WORKERS UNION, A LABOR ORGANIZATION EXEMPT UNDER 501(C)(5).Filed FY2025 · Source: Form 990, Part VII
American Postal Workers Union Afl CIO Health Board Member · $1.3B revenue · Elkridge, MDTO PROVIDE HIGH QUALITY, COMPETITIVE HEALTH BENEFIT PRODUCTS AND SERVICES TO THE MEMBERS OF THE AMERICAN POSTAL WORKERS UNION HEALTH PLAN.Filed FY2024, FY2023, FY2022, FY2021, FY2020 · Source: Form 990, Part VII
A
American Postal Workers Union Afl- CIO Health Plan Health & Wlfr Tr Board Member · $8.3M revenue · Elkridge, MDTo provide benefits to employees and retirees employed by the APWU AFL-CIO Health Plan and their dependents & beneficiaries under a collective…Filed FY2024, FY2023, FY2022, FY2021, FY2020 · Source: Form 990, Part VII

Disambiguation

Other people named Mark Dimondstein

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.

M
Mark Dimondstein 1 organization · Terre Haute, INThe Eugene V Debs Foundation INC
M
Mark Dimondstein 1 organization · Washington, DCUnion Veterans Council

Network

Serves alongside

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

C
Plan Admin, Retired 9/2023 · FY2023
$269K
R
CEO · FY2024
$243K
M
CIO · FY2024
$236K
K
COO · FY2024
$234K
I
Manager, Application Dvlpmt · FY2024
$229K
T
CFO · FY2024
$224K
W
Chief Hr Officer · FY2024
$211K
D
Manager, Infrastructure · FY2024
$204K
R
Network Engineer · FY2024
$202K
J
Manager, Business Objects Data · FY2024
$200K
R
Senior Database Administrator · FY2024
$196K
E
Division Mgr., Financial · FY2022
$190K

Network

Recommendations

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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org