Tianaderrah Foundation (DE)
Historical FunderNew York, New York · EIN 30-0883477 · Private foundation
Half of its grants to organizations were between $30,000 and $105,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | Robert L Gipson |
|---|---|
| Address | Butternut Road PO Box 639, Unadilla NY 13849 |
| Phone | 6073699401 |
| Form and materials | Letter Application |
| Deadlines | None |
| Restrictions | See Statement |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
50% of grants went outside New York.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Sofia America Schools Inc | Princeton, NJ | General funds & scholarships | $250,000 |
| American Foundation for Bulgaria | Boston, MA | General funds | $200,000 |
| American University in Bulgaria | Washington, DC | General funds | $125,000 |
| World Monuments Fund | New York, NY | General funds | $125,000 |
| Sonnenberg Gardens & Mansion State Historic Park | Canandaigua, NY | General Fund & Scholarships | $105,000 |
| Bulgarian American Society | Arlington, VA | General funds | $100,000 |
| Metropolitan Museum of Art | New York, NY | General funds | $100,000 |
| Montgomery County Historical Society | Fort Johnson, NY | General funds | $100,000 |
| Northfield Mount Hermon | Mount Hermon, MA | General funds | $100,000 |
| New York University | New York, NY | General funds and Scholarship | $70,000 |
| Princeton University | Princeton, NJ | General funds & scholarships | $60,000 |
| Children of Armenia Fund | New York, NY | General funds | $40,000 |
| Guilford Historical Society | Guilford, NY | General funds | $35,000 |
| International Humanitarian Missions | Westminster, CA | General funds | $30,000 |
| Weill Cornell Medicine | New York, NY | Scholarships | $25,000 |
| Next Generation Bulgaria Fund | Bronxville, NY | General funds | $20,000 |
| American Friends of Georgia Inc | Truro, MA | General funds | $10,000 |
| The Boston Foundation | Boston, MA | General funds | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,500,000 | 18 |
| 2023 | $1,250,000 | 14 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 12, 2025 - IRS e-file batch, object ID 202543169349102754
- IRS Tax Exempt Organization Search for EIN 30-0883477
- Profile updated Nov 7, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.