R Michael Tanner Irrv Charitable Tr
Invitation OnlyWashington, District of Columbia · EIN 77-6071337 · Private foundation
Grants paid (2025)$47K
Organizations funded26
Typical grant$1,000
Total assets$61K
Half of its grants to organizations were between $400 and $2,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
53% of grants went outside District of Columbia.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Smithsonian Institution | Washington, DC | Program Support | $9,000 |
| Weta | Arlington, VA | Program Support | $5,000 |
| Planned Parenthood of Greater Wash | Washington, DC | Program Support | $5,000 |
| Wash Natl Opera National Symphony | Washington, DC | Program Support | $5,000 |
| Marlow Guitar International | Rockville, MD | Program Support | $3,000 |
| Phillips Collection | Washington, DC | Program Support | $2,500 |
| American Red Cross | Boone, IA | Program Support | $2,000 |
| Stanford University Engineering | Stanford, CA | Program Support | $2,000 |
| Arena Stage | Washington, DC | Program Support | $1,500 |
| University of Illinois Foundation | Urbana, IL | Program Support | $1,500 |
| Capital Area Food Bank | Washington, DC | Program Support | $1,000 |
| IEEE Foundation | Piscataway, NY | Program Support | $1,000 |
| Colonial Williamsburg Foundation | Williamsburg, VA | Program Support | $1,000 |
| Iona Senior Services | Washington, DC | Program Support | $1,000 |
| Univ of Cal Santa Cruz Foundation | Santa Cruz, CA | Program Support | $1,000 |
| Dupont Circle Village | Washington, DC | Program Support | $1,000 |
| Stanford University Foundation | Stanford, CA | Program Support | $1,000 |
| York School | Monterey, CA | Program Support | $500 |
| Population Connection | Washington, DC | Program Support | $500 |
| Wikimedia Foundation | San Francisco, CA | Program Support | $400 |
| National Academy of Inventors | Tampa, FL | Program Support | $300 |
| Nation Park Foundation | Washington, DC | Program Support | $300 |
| GTU Lombardi Comp Cancer Center | Washington, DC | Program Support | $300 |
| Sigma XI Science Honor Society | Research Triangle Park, NC | general support | $300 |
| Amer Assoc for Advancemt Science | Washington, DC | Program Support | $300 |
| Consumer Reports | Yonkers, NY | Prograrm Support | $250 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $46,650 | 26 |
| 2024 | $37,900 | 24 |
| 2023 | $37,250 | 26 |
Sources
- IRS Form 990-PF, tax year 2025, filed Mar 20, 2026 - IRS e-file batch, object ID 202630819349100303
- IRS Tax Exempt Organization Search for EIN 77-6071337
- Profile updated Nov 5, 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.