Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Mar 1969.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
What each dollar paid for.
Form 990-PF Part I, lines 24–26. Every line is in By the numbers.
Something off? Claim to add context
Who runs it and what they're paid
12 people listed on the 990-PF; $42K paid to officers and key staff (990-PF Part VIII).
Compensation history total reportable pay by year · 1 named individual · 990-PF Part VIII
| Name | FY2025 | FY2024 | FY2021 |
|---|---|---|---|
| Charles Mays | $41,500 | $39,501 | $33,000 |
Total reportable compensation (Form 990-PF Part VIII column (c) / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
See Esperantic Studies Foundation executive salaries →Programs and updates
A private foundation based in Cary, NC.
Questions for Esperantic Studies Foundation
Your first name shows with your question. Esperantic Studies Foundation answers here, for everyone.
Grants and how to apply
Who it funds, and how to ask.
Who They Fund
Grantmaking Profile
By the numbers
The FY2025 990-PF, line by line.
Download 990
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest ViewingFiled with the IRS Jul 13, 2026 | $390K | $329K | $62K | $4.6M | 990 PDF |
| FY2024Filed with the IRS Sep 24, 2025 | $233K | $267K | −$33K | $4.1M | 990 PDF |
| FY2023Filed with the IRS Nov 15, 2024 | $260K | $268K | −$8K | $3.9M | 990 PDF |
| FY2022Filed with the IRS Sep 29, 2023 | $222K | $247K | −$25K | $3.7M | 990 PDF |
| FY2021Filed with the IRS Nov 16, 2022 | $237K | $193K | $44K | $4.2M | 990 PDF |
| FY2020Filed with the IRS May 17, 2021 | −$30K | $207K | −$238K | $3.6M | 990 PDF |
Schedules filed Part IV
Form 990 e-file FY2025 from the IRS (about our sources) · Classification, formation year and address from the IRS Business Master File
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