Jeff and Marieke Rothschild Foundation
Invitation OnlyPalo Alto, California · EIN 83-4574297 · Private foundation
Grants paid (2024)$29.1M
Organizations funded18
Typical grant$1,000,000
Total assets$428.2M
Half of its grants to organizations were between $263,000 and $2,000,000.
From the return
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
72% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Second Harvest of Silicon Valley | San Jose, CA | Capital campaign/operating support | $5,500,000 |
| President & Trustees of Colby College | Waterville, ME | Residence hall/residence life | $5,000,000 |
| University of California San Francisco Foundation | San Francisco, CA | Parnassus campus and operations | $5,000,000 |
| Rewild | Austin, TX | Guafo island project | $2,500,000 |
| National Philanthropic Trust | Jenkintown, PA | Iconiq impact ocean co-lab | $2,000,000 |
| Food for Education Foundation Inc | New York, NY | School feeding programs in africa | $1,600,000 |
| Avina Americas Inc | Washington, DC | Mapbiomas work on climate | $1,000,000 |
| Clean Slate Initiative Inc | Orlando, FL | Audacious project | $1,000,000 |
| Every Cure Inc | New York, NY | Ai platform for drug repurposing | $1,000,000 |
| Human Rights Watch Inc | New York, NY | General support | $1,000,000 |
| Land Trust of Santa Cruz County | Santa Cruz, CA | General support | $1,000,000 |
| Rainbow World Fund | San Francisco, CA | General support | $1,000,000 |
| Great Barrier Reef Foundation USA Inc | Washington, DC | Solutions for protecting coral reefs | $500,000 |
| Lifespan Extension Advocacy Foundation Inc | Seaford, NY | Rapamycin and exercise performance for longevity research project | $263,000 |
| Kenyan Kids Foundation | Louisville, KY | Co-Operative dairy development project | $250,000 |
| Np2 | Greenbrae, CA | General support | $250,000 |
| Kenyan Kids Foundation | Louisville, KY | Transcend running academy | $150,000 |
| Inkomoko | Clinton, WA | Improve lives in ethiopia, kenya and south sudan | $100,000 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The Board of Trustees of the Leland Stanford Junior University | Redwood City, CA | Cancer cell therapy research | $12,000,000 |
| President & Trustees of Colby College | Waterville, ME | Residence hall/residence life | $10,000,000 |
| San Francisco Opera Association | San Francisco, CA | General support | $7,000,000 |
| Every Cure Inc | New York, NY | Ai platform for drug repurposing | $4,000,000 |
| Food for Education Foundation Inc | New York, NY | School feeding programs in africa | $2,400,000 |
| Avina Americas Inc | Washington, DC | Mapbiomas work on climate | $2,000,000 |
| Land Trust of Santa Cruz County | Santa Cruz, CA | General support | $2,000,000 |
| Great Barrier Reef Foundation USA Inc | Washington, DC | Solutions for protecting coral reefs | $1,500,000 |
| Inkomoko | Clinton, WA | Improve lives in ethiopia, kenya and south sudan | $400,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $29,113,000 | 27 |
| 2023 | $29,857,400 | 22 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 15, 2025 - IRS e-file batch, object ID 202513189349105241
- IRS Tax Exempt Organization Search for EIN 83-4574297
- 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.