Joseph and May Winston Foundation
Invitation OnlyScottsdale, Arizona · EIN 06-1148600 · Private foundation
Half of its grants to organizations were between $500 and $4,000.
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
41% of grants went outside Arizona.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Welcome To America Project | Tempe, AZ | Emergency refugee assistance | $25,000 |
| Prescott Area Shelter Services | Prescott, AZ | Domestic violence and womens shelter | $5,000 |
| AZ Humane Society | Phoenix, AZ | Pet rescue | $5,000 |
| International Institute | Saint Louis, MO | Immigrant assistance | $4,000 |
| Partners for Pets Humane | Troy, IL | Pet rescue | $3,000 |
| Community House | Scottsdale, AZ | Homeless outreach | $2,000 |
| Congregation Beth Israel | Paradise Valley, AZ | Rabbi Kahn discretionary fund | $1,500 |
| Jewish National Fund USA | New York, NY | Alexander Muss High School in Israel | $1,500 |
| Hillel International | Washington, DC | Campus Jewish support | $500 |
| University of Presbyterian | Tempe, AZ | East Valley Refugee Network aid | $500 |
| SCUCC Christmas Fund | Scottsdale, AZ | Retired clergy aid fund | $300 |
| National Parks Conservation Assn | Booneville, IA | Conservation | $250 |
The return also lists 21 grants to individuals ($57,749). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $106,299 | 33 |
| 2024 | $117,328 | 36 |
| 2023 | $112,208 | 42 |
Sources
- IRS Form 990-PF, tax year 2025, filed Sep 15, 2026 - IRS e-file batch, object ID 202602579349100525
- IRS Tax Exempt Organization Search for EIN 06-1148600
- 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.