The Stephen & Suzanne Weiss Foundation I
Preselected recipients only
The Stephen & Suzanne Weiss Foundation I is a private foundation in Greenwich, Connecticut. In tax year 2025 it gave $447,450 in 28 grants; the typical grant was $2,375 and the largest $150,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$447,450
- Number of grants28
- Typical grant$2,375
- Largest grant$150,000
- Assets$20,098
- New grantees36%
Giving in 2025 was up from $115,850 the year before.
36% of its 2025 grantees had not received a grant from it the year before, a mix of repeat and new grantees.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $86,300 | 18 | $513,987 |
| 2024 | $115,850 | 19 | $443,639 |
| 2025 | $447,450 | 28 | $20,098 |
How to apply
The Stephen & Suzanne Weiss Foundation I says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Stephen & Suzanne Weiss Foundation I funds
Where it gives
Its grants went to recipients in 8 states, the most to New York.
| State | Grants | Amount |
|---|---|---|
| New York | 12 | $255,950 |
| Connecticut | 9 | $158,000 |
| Maryland | 1 | $17,500 |
| Florida | 2 | $7,750 |
| Massachusetts | 1 | $5,000 |
| North Carolina | 1 | $2,000 |
| Texas | 1 | $1,000 |
| Illinois | 1 | $250 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Greenwich Country Day | General | $150,000 |
| Cornell University - President Micael Kotlikoff Discretionary Fund | General | $50,000 |
| Weill Medical College - Cardiothoracic Surgeon Leonard Girardi | General | $50,000 |
| Weill Medical College - Dean Harrington Discretionary Fune | General | $50,000 |
| New York Presbyterian Fund - Plates for Pediatrics | General | $37,500 |
| Hospital for Special Surgery Foundation | General | $25,000 |
| UJA Federation | General | $20,000 |
| Breakthrough T1D | General | $17,500 |
| Jewish Community Relations Council of New York | General | $17,500 |
| Deerfield Academy | General | $5,000 |
| Jupiter Medical Center Foundation | General | $5,000 |
| UJA of Greenwich | General | $5,000 |
| American Cancer Society | General | $3,000 |
| Edna W Runner Education Center | General | $2,750 |
| Hillel at Cornell | General | $2,000 |
| National Humanities Center | General | $2,000 |
| The Delta Delta Delta Foundation | General | $1,000 |
| Greenwich Center for Hope & Renewal | General | $1,000 |
| Stanwich Congregational Church | General | $1,000 |
| Shatterproof | General | $500 |
| The Middle Patent Rural Cemetery Association | General | $500 |
| The Alzheimer's Association | General | $250 |
| Weill Medical College - Phyillis & Harvey Klien MD Scholarship Fund | General | $250 |
| Greenwich Chaplaincy Service | General | $200 |
| The Bowery Mission | General | $200 |
| Bridgeport Rescue Mission | General | $100 |
| Greenwich Emergency Medical Services | General | $100 |
| World Vision of Fairfield County | General | $100 |
Officers and trustees
- Michael D Weiss
- Suzanne Weiss
Questions people ask
Does The Stephen & Suzanne Weiss Foundation I accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Stephen & Suzanne Weiss Foundation I give?
$447,450 in tax year 2025, across 28 grants, with a typical grant of $2,375.
Who runs The Stephen & Suzanne Weiss Foundation I?
Its 2025 filing lists Michael D Weiss (Vice President) and Suzanne Weiss (President).
What does The Stephen & Suzanne Weiss Foundation I fund?
Based on its grants, mainly health, education and faith communities.