Nonprofit · EIN 13-1628179
KOSCIUSZKO FOUNDATION INC
Tax-exempt · NEW YORK, NY 10065
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $3,700,860 | $4,503,316 | -$802,456 | $58,099,682 | $124,442 | $57,975,240 |
| June 30, 2024 | 990 | $4,983,281 | $4,394,551 | $588,730 | $55,659,436 | $149,217 | $55,510,219 |
| June 30, 2023 | 990 | $4,310,567 | $4,002,766 | $307,801 | $50,256,441 | $122,078 | $50,134,363 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $1,564,914
- Membership dues
- $310,465
- Program service revenue
- $631,616
- Investment income
- $1,374,472
- Net rental income
- $129,858
- Net gain from sales of assets
- $149,565
- Other revenue
- $129,858
Expenses
- Grants and similar amounts paid
- $1,875,943
- Compensation of officers, directors and key employees
- $237,148
- Other salaries and wages
- $837,028
- Salaries, compensation and benefits (total)
- $1,313,947
- Professional fundraising fees
- $108,000
- Accounting fees
- $71,809
- Occupancy
- $82,149
- Travel
- $44,904
- Depreciation
- $86,625
- Program services (functional)
- $3,507,282
- Management and general (functional)
- $478,921
- Fundraising (functional)
- $517,113
Balance sheet and other
- Total assets, start of year
- $55,659,436
- Total assets, end of year
- $58,099,682
- Total liabilities, end of year
- $124,442
- Net assets, end of year
- $57,975,240
- Land, buildings and equipment
- $1,919,717
- Publicly traded securities
- $30,636,494
- Net assets without donor restrictions
- $9,844,660
- Net assets with donor restrictions
- $48,130,580
- Gross receipts
- $15,373,027
- Employees
- 12
- Volunteers
- 30
- Year formed
- 1925
- State of legal domicile
- NY
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MAREK SKULIMOWSKI | PRES. & EXEC. DIR. Trustee or director, Officer | 40 | $171,258 | $27,940 |
| JOSEPH E GORE ESQ | CORPORATE SECRETARY UNTIL NOV 2024 Trustee or director, Officer | 1 | $0 | $0 |
| WANDA M SENKO | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CYNTHIA ROSICKI ESQ | VICE-CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 |
| HANNA CHROBOCZEK KELKERPHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALEXANDER KOPROSKI | TRUSTEE THRU JUNE 19, 2025 Trustee or director | 1 | $0 | $0 |
| MARIAN A KORNILOWICZ ESQ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KRYSTYNA PIORKOWSKA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| EWA RADWANSKA MD PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| WOJCIECH JACKOWSKI | TRUSTEE SINCE APRIL Trustee or director | 1 | $0 | $0 |
| WOJCIECH UZDELEWICZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAL MROZEK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALEX STOROZYNSKI | CHAIRMAN Trustee or director, Officer | 5 | $0 | $0 |
| ANDRZEJ ROJEK | VICE-CHAIRMAN AND TREASURE Trustee or director, Officer | 1 | $0 | $0 |
| PIOTR CHOMCZYNSKI PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
15 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PROF WALDEMAR PRIEBE | TRUSTEE Trustee or director | 1 | $0 |
| STEPHEN KUSMIERCZAK | VICE CHAIRMAN Trustee or director, Officer | 1 | $0 |
| JERZY CZUBAK | TRUSTEE Trustee or director | 1 | $0 |
| RACHAEL JAROSH | TRUSTEE Trustee or director | 1 | $0 |
| HENRY SIKORSKI PHD | TRUSTEE Trustee or director | 1 | $0 |
| WLODEK MANDECKI PHD | TRUSTEE Trustee or director | 1 | $0 |
| MAREK PIENKOWSKI MD PHD | TRUSTEE Trustee or director | 1 | $0 |
| MIROSLAW BRYS MD PHD | TRUSTEE Trustee or director | 1 | $0 |
| ARTHUR SZYMANSKI | TRUSTEE Trustee or director | 1 | $0 |
| SABASTIAN POST | TRUSTEE Trustee or director | 1 | $0 |
| BOLEK RYZINSKI | TRUSTEE THRU NOV 24 Trustee or director | 1 | $0 |
| ZBIGNIEW CHRZANOWSKI | TRUSTEE Trustee or director | 1 | $0 |
| ROBERT DZIUBLOWSKI | TRUSTEE Trustee or director | 1 | $0 |
| ZBIGNIEW INGLOT PHD | TRUSTEE ELECTED APRIL 2025 Trustee or director | 1 | $0 |
| BOZENA NOWICKA MCLEES | TRUSTEE ELECTED APRIL 2025 Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 29 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MAREK SKULIMOWSKI | PRES. & EXEC. DIR. Officer | 40 | $164,967 | $25,890 |
| JOSEPH E GORE ESQ | CORPORATE SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| WANDA M SENKO | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CYNTHIA ROSICKI ESQ | VICE-CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 |
| HANNA CHROBOCZEK KELKERPhd | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALEXANDER KOPROSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARIAN A KORNILOWICZ ESQ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KRYSTYNA PIORKOWSHA | TRUSTEE ELECTED NOV 2023 Trustee or director | 1 | $0 | $0 |
| EWA RADWANSKA MD PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SIGMUND ROLAT | TRUSTEE THRU NOV. 2023 Trustee or director | 1 | $0 | $0 |
| KRZYSZTOF ROSTEK | TRUSTEE THRU MARCH 2024 Trustee or director | 1 | $0 | $0 |
| WOJCIECH UZDELEWICZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAL MROZEK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALEX STOROZYNSKI | CHAIRMAN Trustee or director, Officer | 5 | $0 | $0 |
| ANDRZEJ ROJEK | VICE-CHAIRMAN AND TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| PIOTR CHOMCZYNSKI PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PROF WALDEMAR PRIEBE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| STEPHEN KUSMIERCZAK | VICE CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 |
| JERZY CZUBAK | TRUSTEE - ELECTED NOV 2023 Trustee or director | 1 | $0 | $0 |
| RACHAEL JAROSH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HENRY SIKORSKI PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| WLODEK MANDECKI PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MAREK PIENKOWSKI MD PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MIROSLAW BRYS MD PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ARTHUR SZYMANSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SABASTION POST | TRUSTEE - ELECTED NOV 2023 Trustee or director | 1 | $0 | $0 |
| BOLEK RYZINSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ZBIGNIEW CHRZANOWSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ROBERT DZIUBLOWSKI | TRUSTEE - ELECTED NOV 2023 Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2023: 28 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MAREK SKULIMOWSKI | PRES. & EXEC. DIR. Officer | 40 | $146,721 | $24,746 |
| JOSEPH E GORE ESQ | CORPORATE SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| WANDA M SENKO | VICE-CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 |
| CYNTHIA ROSICKI ESQ | VICE-CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 |
| HANNA CHROBOCZEK KELKERPhd | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALEXANDER KOPROSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARIAN A KORNILOWICZ ESQ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PETER S NOVAK | TREASURER - THRU APRIL 2023 Trustee or director, Officer | 1 | $0 | $0 |
| DR EWA RADWANSKA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SIGMUND ROLAT | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KRZYSZTOF ROSTEK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| WOJCIECH UZDELEWICZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAL MROZEK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALEX STOROZYNSKI | CHAIRMAN Trustee or director, Officer | 5 | $0 | $0 |
| ANDRZEJ ROJEK | VICE-CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 |
| PIOTR CHOMCZYNSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PROF WALDEMAR PRIEBE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| STEPHEN KUSMIERCZAK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHRISTOPHER KOLASA MD | TRUSTEE - THRU DECEMBER 2022 Trustee or director | 1 | $0 | $0 |
| RACHAEL JAROSH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HENRY SIKORSKI PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| WLODEK MANDECKI PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| DR MAREK PIENKOWSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MIROSLAW BRYS MD PHD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ARTHUR SZYMANSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JOSEPH SWIADER | TRUSTEE - THRU OCT 2022 Trustee or director | 1 | $0 | $0 |
| BOLEK RYZINSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ZBIGNIEW CHRZANOWSKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 15 E 65TH ST, NEW YORK, NY 10065-6501
- Principal officer (990 for 2024)
- MAREK SKULIMOWSKI, 15 EAST 65TH STREET, NEW YORK, NY 10065
- Signed the 990
- MAREK SKULIMOWSKI, PRESIDENT
- Phone
- (212) 734-2130
- Website
- WWW.THEKF.ORG
- Return prepared by
- SAX ADVISORS LLC
Mission
FOUNDED IN 1925, THE KOSCIUSZKO FOUNDATION IS DEDICATED TO PROMOTING AND STRENGTHENING UNDERSTANDING AND FRIENDSHIP BETWEEN THE PEOPLES OF POLAND AND THE UNITED STATES THROUGH EDUCATIONAL, SCIENTIFIC AND CULTURAL EXCHANGES AND OTHER RELATED PROGRAMS AND ACTIVITIES. IT AWARDS FELLOWSHIPS AND GRANTS TO GRADUATE STUDENTS, SCHOLARS, SCIENTISTS, PROFESSIONALS AND ARTISTS AND HELPS TO INCREASE VISIBILITY AND PRESTIGE OF POLISH CULTURE IN AMERICA'S PLURALISTIC SOCIETY BY SPONSORING EXHIBITS, PUBLICATIONS, FILM FESTIVALS, PERFORMING ARTS SUCH AS CONCERTS AND RECITALS, AND ASSISTS OTHER INSTITUTIONS WITH SIMILAR GOALS.
Program accomplishments
- CULTURAL AND EDUCATIONAL PROGRAMS ARE INTENDED TO PROMOTE POLISH CULTURE TO AMERICANS THROUGH CONCERTS, LECTURES, AND CONFERENCES. THE EDUCATIONAL PROGRAMS PROVIDE SCHOLARSHIPS, GRANTS AND FELLOWSHIPS TO AMERICANS OF POLISH DESCENT AT AMERICAN UNIVERSITIES ON A GRADUATE LEVEL AS WELL AS TO POLISH ACADEMIC SCHOLARS DOING RESEARCH AT AMERICAN UNIVERSITIES AND RESEARCH INSTITUTIONS IN THE UNITED STATES.Expenses $758,522 · revenue $542,986
- THE FOUNDATION MAINTAINS AN OFFICE IN WARSAW WHICH DURING THIS YEAR IN ADDITION TO ITS REGULAR ACTIVITIES PROVIDED HELP TO LOCAL ORGANIZATIONS SUPPORTING UKRAINIAN REFUGEES IN POLANDExpenses $429,233 · grants $175,860
- SCHOLARSHIPS TO DESERVING POLISH SCHOLARS DESIRING TO STUDY AND/OR DO RESEARCH AT INSTITUTIONS OF HIGHER LEARNING IN THE U.S.; SCHOLARSHIPS TO DESERVING POLISH AMERICANS FOR GRADUATE STUDIES AND TO DESERVING AMERICANS DESIRING TO STUDY IN POLAND.Expenses $1,991,220 · grants $1,676,940
- VARIOUS ACTIVITIESExpenses $328,307 · grants $23,143 · revenue $88,630
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 13-1628179
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1950
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- International, foreign affairs and national security (Q122)
- Assets (IRS master file)
- $58,099,682
- Income (IRS master file)
- $15,373,027
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $3,700,860 | $4,503,316 | $58,099,682 | IRS |
| 990 | June 2024 | $4,983,281 | $4,394,551 | $55,659,436 | IRS |
| 990 | June 2023 | $4,310,567 | $4,002,766 | $50,256,441 | XML |
| 990 | June 2022 | $6,264,988 | $3,746,899 | $48,292,105 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 13-1628179).
Questions about KOSCIUSZKO FOUNDATION INC
- What is the EIN of KOSCIUSZKO FOUNDATION INC?
- The employer identification number (EIN) of KOSCIUSZKO FOUNDATION INC is 13-1628179.
- Is KOSCIUSZKO FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1950.
- Are donations to KOSCIUSZKO FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does KOSCIUSZKO FOUNDATION INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of KOSCIUSZKO FOUNDATION INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did KOSCIUSZKO FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of KOSCIUSZKO FOUNDATION INC?
- The 990 for the year ended June 30, 2025 names MAREK SKULIMOWSKI.
- Who are the officers and directors of KOSCIUSZKO FOUNDATION INC?
- The 990 for the year ended June 30, 2025 lists 30 people; 1 received compensation from the organization, the highest $171,258 (MAREK SKULIMOWSKI, PRES. & EXEC. DIR.).
- How much revenue does KOSCIUSZKO FOUNDATION INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $3,700,860, expenses of $4,503,316 and total assets of $58,099,682 at year end.
Other nonprofits in NEW YORK
- INTERNATIONAL RESCUE COMMITTEE INC EIN 13-5660870 · last filed 990 for 2025
- UNITED STATES FUND FOR UNICEF EIN 13-1760110 · last filed 990 for 2025
- PLAN INTERNATIONAL INC EIN 51-0169168 · last filed 990 for 2025
- MEDECINS SANS FRONTIERES USA INC EIN 13-3433452 · last filed 990 for 2024
- WORLD ECONOMIC FORUM EIN 98-0459408 · last filed 990 for 2025
- AMERICAN JEWISH JOINT DISTRIBUTION COMMITTEE INC EIN 13-1656634 · last filed 990 for 2024
- UNITED ISRAEL APPEAL INC EIN 13-1760102 · last filed 990 for 2025
- CATHOLIC MEDICAL MISSION BOARD INC EIN 13-5602319 · last filed 990 for 2025
All nonprofits in NEW YORK · New York · International, foreign affairs and national security