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US nonprofit · EIN 275013306 · New York, NYiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 275013306) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990PF for the year to 31 December 2025: assets, liabilities, staff, website, telephone, pay.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.2026 return IRS e-file (TEOS) 2026 release: 990PF for the year to 31 December 2025.Exemption status IRS Automatic Revocation of Exemption List (posted to 13 October 2026).Deductibility IRS Publication 78 data (code POF), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Olga Ragusa PHD and ISA Ragusa PHD Foundation for the Humanities Inc

Donations deductible
Revenue
$569k
year to 31 December 2025
Expenses
$938k
year to 31 December 2025
Total assets
$17.4m
year to 31 December 2025
Net assets
$17.4m
assets less liabilities
Directors and trustees
3
6.4y av
Left since last filing
0
no seats appear to have opened
Activity
T23
Philanthropy, voluntary services and grantmaking
Filings on record
4
latest 2023
Exemption reinstated on 15 March 2019. The IRS had automatically revoked it on 15 May 2014 (after three years without a return). Source: IRS Automatic Revocation of Exemption List, posted to 13 October 2026.
How am I connected?

Olga Ragusa PHD and ISA Ragusa PHD Foundation for the Humanities Inc's network

3 peoplei3 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (3). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

3 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record.
NameRole as filedSinceOn the board
Andrea CiccarelliPresident2019
7 yrs
Nina E StoneCompany secretary2019
7 yrs
Paul C ZacherTreasurer2022
4 yrs
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 31 December 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Andrea CiccarelliPresident2$0
Paul C ZacherTreasurer2$0
Lucia CasiraghiSecretary1$0

No pay was reported for anyone in Part VII on this return.

About

Legal name
Olga Ragusa PhD and Isa Ragusa PhD Foundation for the Humanities Inc
EIN
275013306
Address
30 West 12th Street, New York, NY, 10011-8635
State
New York
Activity (NTEE)
T23 Philanthropy, voluntary services and grantmaking
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Philanthropy, Voluntarism & Grantmaking Foundations
Size band
8 (IRS master file code)
IRS ruling date
1 November 2019
Status
Code 01 (unconditional exemption)
Form 990 filings on record
4, latest 2023
IRS Publication 78
POF (contributions deductible)

Most connected

Longest observed on the filings

≥7years on the filingsAndrea Ciccarelli
≥7years on the filingsNina E Stone
≥4years on the filingsPaul C Zacher

Latest return

year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.
Total assets
$17.4m
Net assets or fund balances
$17.4m