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Person · officer / director

Alexander Koproski

Trustee Thru June 19, 2025 · The Kosciuszko Foundation INC

Trustee Thru June 19, 2025 at The Kosciuszko Foundation INC. Listed as an officer, director, or key employee across 1 organization on the Form 990 record.

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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
1
Roles reported
1
Others who share this name
1

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
●
Reported as Trustee Thru June 19, 2025 of The Kosciuszko Foundation INC, based in New York, NY.
Facts extracted directly from each organization's Form 990, Part VII.
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Affiliations

Organizations

The Kosciuszko Foundation INC Trustee Thru June 19, 2025 · $3.7M revenue · New York, NYFOUNDED IN 1925, THE KOSCIUSZKO FOUNDATION IS DEDICATED TO PROMOTING AND STRENGTHENING UNDERSTANDING AND FRIENDSHIP BETWEEN THE PEOPLES OF POLAND AND…Filed FY2024 · Source: Form 990, Part VII

Disambiguation

Other people named Alexander Koproski

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.

A
Alexander Koproski 1 organization · Stamford, CTKoproski Family Foundation

Network

Serves alongside

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

M
Pres. & Exec. Dir. · FY2024
$171K
J
Corporate Secretary Until Nov 2024 · FY2024
W
Trustee · FY2024
C
Vice-Chairman · FY2024
H
Trustee · FY2024
M
Trustee · FY2024
K
Trustee · FY2024
E
Trustee · FY2024
W
Trustee Since April · FY2024
W
Trustee · FY2024
M
Trustee · FY2024
A
Chairman · FY2024

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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