Siff Charitable Foundation
Preselected recipients only
Siff Charitable Foundation is a private foundation in Worcester, Massachusetts. In tax year 2025 it gave $102,390 in 33 grants; the typical grant was $500 and the largest $26,600. 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$102,390
- Number of grants33
- Typical grant$500
- Largest grant$26,600
- Assets$82,885
- New grantees39%
Giving in 2025 was up from $96,342 the year before.
39% 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 | $68,430 | 35 | $28,675 |
| 2024 | $96,342 | 36 | $54,007 |
| 2025 | $102,390 | 33 | $82,885 |
How to apply
Siff Charitable Foundation 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 Siff Charitable Foundation funds
Where it gives
Its grants went to recipients in 7 states, the most to New York.
| State | Grants | Amount |
|---|---|---|
| New York | 9 | $48,980 |
| Massachusetts | 16 | $41,710 |
| New Jersey | 1 | $5,000 |
| Florida | 4 | $4,100 |
| California | 1 | $2,000 |
| Colorado | 1 | $500 |
| Virginia | 1 | $100 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Umass Chan Medical School Foundation | General | $26,600 |
| New York University | General | $15,000 |
| Woodstock Film Festival | General | $15,000 |
| Next for Autism | General | $12,000 |
| Alpine Learning Center | General | $5,000 |
| Umass Memorial Foundation | General | $5,000 |
| Temple Emanuel Sinai | General | $3,400 |
| Autism Project of Palm Beach County | General | $2,500 |
| Tibetan Home of Hope | General | $2,500 |
| Worcester Art Museum | General | $2,500 |
| En Guarde Arts | General | $2,200 |
| Watch Resources Inc | General | $2,000 |
| Jewish Health Care Center | General | $1,600 |
| Breast Cancer Research Foundation | General | $1,500 |
| Ecotarium | General | $1,000 |
| Florida Atlantic University | General | $1,000 |
| NAMI Palm Beach County | General | $500 |
| National Jewish Health | General | $500 |
| Shuva Center | General | $500 |
| Worcester District Medical Society | General | $500 |
| YWCA of Central Ma | General | $200 |
| William James College | General | $180 |
| Temple Emanuel Men's Club | General | $180 |
| Nourish Nantucket | General | $180 |
| Alzheimer's Association | General | $100 |
| Dana Farber Cancer Institute | General | $100 |
| Gulf Stream Council of Boy Scouts of America Inc | General | $100 |
| Mental Health of America | General | $100 |
| Saint Ann's Church | General | $100 |
| American Cancer Society | General | $100 |
| Central Synagogue | General | $100 |
| Worcester Chamber Music Society | General | $100 |
| Jacob's Pillow | General | $50 |
Officers and trustees
- Shirley S Siff
- Lawrence Siff
- Karen Siff-Exkorn
Questions people ask
Does Siff Charitable Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Siff Charitable Foundation give?
$102,390 in tax year 2025, across 33 grants, with a typical grant of $500.
Who runs Siff Charitable Foundation?
Its 2025 filing lists Shirley S Siff (Trustee), Lawrence Siff (Trustee) and Karen Siff-Exkorn (Trustee).
What does Siff Charitable Foundation fund?
Based on its grants, mainly education, health and arts and culture.