Sustainable Grant Making Partners Fund
Invitation OnlyTiburon, California · EIN 47-3287351 · Private foundation
Half of its grants to organizations were between $10,000 and $62,500.
How to apply
On its return for tax year 2024 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
43% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| BioQ Parma Inc | San Francisco, CA | Research reduction of air in medicinal drug delivery to increase patient safety | $100,000 |
| Sparkz Inc | Livermore, CA | Research coatings to minimize LFP battery cathode degradation | $100,000 |
| CarbonBridge Inc | Newark, NJ | Research bioreactors to convert polluting waste gases into usable products such as methanol | $100,000 |
| Tyfast Energy Corp | San Diego, CA | Scientific research on high performance electrolytes for ultra-fast charging and ultralong cycle life batteries. | $75,000 |
| Northwestern University | Evanston, IL | FOIA Practicum Fund | $62,500 |
| CASA of Contra Costa County | Concord, CA | General Operating Support | $60,000 |
| Campaign Legal Center Inc | Washington, DC | General Operating Support | $50,000 |
| Project on Government Oversight | Washington, DC | Preventing The Weaponization Of Government | $50,000 |
| Center for Media Democracy | Madison, WI | Strategic Litigation and Research | $25,000 |
| Center for Investigative Reporting | San Francisco, CA | General Operating Support | $20,000 |
| Alameda County Community Food Bank | Oakland, CA | General Support | $15,000 |
| Count MI Vote Education Fund | Lansing, MI | General Support | $15,000 |
| Larkin Street Youth Services | San Francisco, CA | General Operating Support | $10,000 |
| Center for Reproductive Rights | New York, NY | General Support | $5,000 |
| The Brandeis School | San Francisco, CA | Tzedek Fund 2023-2024 | $1,000 |
| The Brandeis School | San Francisco, CA | Sports Fund | $1,000 |
The return also lists 15 grants to individuals ($786,500). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,476,000 | 31 |
| 2023 | $1,366,750 | 33 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202523219349103677
- IRS Tax Exempt Organization Search for EIN 47-3287351
- Profile updated Nov 6, 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.