Siebel Family Charitable Foundation
Preselected recipients only
Siebel Family Charitable Foundation is a private foundation in Ross, California. In tax year 2025 it gave $87,500 in 13 grants; the typical grant was $3,000 and the largest $25,000. 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$87,500
- Number of grants13
- Typical grant$3,000
- Largest grant$25,000
- Assets$595,661
- New grantees69%
Giving in 2025 was up from $32,300 the year before.
69% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $44,800 | 8 | $557,336 |
| 2024 | $32,300 | 10 | $555,747 |
| 2025 | $87,500 | 13 | $595,661 |
How to apply
Siebel Family 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 Siebel Family Charitable Foundation funds
Where it gives
Its grants went to recipients in 5 states, the most to California.
| State | Grants | Amount |
|---|---|---|
| California | 5 | $62,000 |
| Virginia | 2 | $12,500 |
| Montana | 4 | $7,000 |
| Connecticut | 1 | $5,000 |
| Wisconsin | 1 | $1,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Ross School Foundation | Support | $25,000 |
| Branson School | Endowment fund | $20,000 |
| Conservation Int'l Fdn Development Dept | Support | $10,000 |
| St Anselm Church | Restoration campaign | $10,000 |
| Greenwich Country Day School | Support | $5,000 |
| Stanford University | Support | $5,000 |
| Treasure State Foundation | Support | $3,000 |
| Conservation Int'l Fdn | Support | $2,500 |
| Oceanic Society | Support | $2,000 |
| Raptors of the Rockies | Support | $2,000 |
| Alpha Pi Alliance for the Preservation of Historic Places Inc | Support | $1,000 |
| Clark Fork Coalition | Support | $1,000 |
| Teller Wildlife Refuge | Support | $1,000 |
Officers and trustees
- Kenneth F Siebel
- Judy A Siebel
- Jennifer Siebel Newsom
- Brooke S Mitchell
- Melissa A Siebel Schiller
- Jessica Siebel Gruss
Questions people ask
Does Siebel Family Charitable Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Siebel Family Charitable Foundation give?
$87,500 in tax year 2025, across 13 grants, with a typical grant of $3,000.
Who runs Siebel Family Charitable Foundation?
Its 2025 filing lists Kenneth F Siebel (President), Judy A Siebel (Treasurer), Jennifer Siebel Newsom (Director) and Brooke S Mitchell (Director) among 6 officers and trustees.
What does Siebel Family Charitable Foundation fund?
Based on its grants, mainly education and environment and conservation.