Ariowitsch Family Foundation
Preselected recipients only
Ariowitsch Family Foundation is a private foundation in Mill Valley, California. In tax year 2025 it gave $60,000 in 16 grants; the typical grant was $1,500 and the largest $30,000. 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$60,000
- Number of grants16
- Typical grant$1,500
- Largest grant$30,000
- Assets$1.1 million
- New grantees0%
Giving in 2025 was up from $54,000 the year before.
0% of its 2025 grantees had not received a grant from it the year before, so most of its money goes to organizations it already funds.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $50,000 | 8 | $996,466 |
| 2024 | $54,000 | 15 | $1.0 million |
| 2025 | $60,000 | 16 | $1.1 million |
How to apply
Ariowitsch Family 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 Ariowitsch Family Foundation funds
Where it gives
Its grants went to recipients in 6 states, the most to California.
| State | Grants | Amount |
|---|---|---|
| California | 11 | $48,000 |
| New York | 1 | $5,000 |
| Colorado | 1 | $3,000 |
| Massachusetts | 1 | $1,500 |
| Montana | 1 | $1,500 |
| Missouri | 1 | $1,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| The Nature Conservancy | Conservation | $30,000 |
| American Friends of the Hebrew Univ | Scholarship | $5,000 |
| Marin Mountessori School | Education | $5,000 |
| Headlands Center for Arts | Education | $5,000 |
| The Community Foundation | Arts education, environment, humanitarian | $3,000 |
| Uc Berkeley Foundation | Education | $2,000 |
| Union of Concerned Scientists | Education | $1,500 |
| Environmental Defense Fund | Environmental | $1,500 |
| Individual | Education | $1,500 |
| Washington University | Education | $1,000 |
| The Living Desert | Education | $1,000 |
| NRDC | Environmental | $1,000 |
| Individual | Environmental | $1,000 |
| Individual | Environmental | $500 |
| Rainforest Action Network | Environment | $500 |
| Individual | Environment | $500 |
Officers and trustees
- Tim Ariowitsch
- Tanya Ariowitsch
- Melinda Ariowitsch
- Ethan Ariowitsch
Questions people ask
Does Ariowitsch Family Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Ariowitsch Family Foundation give?
$60,000 in tax year 2025, across 16 grants, with a typical grant of $1,500.
Who runs Ariowitsch Family Foundation?
Its 2025 filing lists Tim Ariowitsch (President & CEO), Tanya Ariowitsch (Vice President), Melinda Ariowitsch (Treasurer) and Ethan Ariowitsch (Secretary).
What does Ariowitsch Family Foundation fund?
Based on its grants, mainly environment and conservation, education and arts and culture.