The Westridge Foundation is an extremely focused funder that concentrates its philanthropic dollars on biomedical or clinical research at the University of California, San Francisco. All recorded grants support a specific research fund (Michael Wilson Fund) at UCSF, indicating a targeted interest in advancing scientific/medical research through a single trusted institution. The foundation operates from Portola Valley and channels its giving to a regional, high-profile academic medical center rather than a spread of charities.
Westridge Foundation’s clearest signature is its long-running support for a specific UCSF research stream: clinical trials and innovation work in remyelination and repair. The largest recorded grant, $2,250,000 in 2024, went to University of California San Francisco Foundation for the Clinical Trials program in that area under Ari Green and Jonah Chan. A second major 2025 grant of $750,000 continued that same program, showing a sustained commitment rather than a one-off award. The foundation also backs research through the Michael Wilson Fund at UCSF, with $400,000 grants in both 2024 and 2025. Beyond UCSF, its giving reaches a small set of other Bay Area and national institutions, including Damon Runyon Cancer Research Fund, Stanford University, Cornell University, and local community organizations. The pattern suggests a funder that favors named programs, research funds, and specific institutional vehicles over broad, open-ended grantmaking. Its record spans biomedical research, early-career science, scholarships, education, arts, and select community service support, but the center of gravity remains tightly anchored in medical research at UCSF.
Biomedical and clinical research are the clearest focus. Westridge Foundation gave $300,000 in 2023 to the University of California San Francisco Foundation for the Multiple Sclerosis and Neuroinflammation Center, led by Dr. Ari Green, and another $250,000 in 2023 for an innovation program in remyelination and repair in the same center. It also supports early-career scientific innovation through the Damon Runyon Rachleff Innovation Award Fund, with $300,000 in 2025 and $200,000 in 2024 to Damon Runyon Cancer Research Fund. Education appears in several forms: $250,000 to Cornell University for the Bess Davidoff Scholarship Fund, and $200,000 to Stanford University Graduate School of Business for the Dean’s Fund and Early Career Pre-MBA Pilot Program. Arts funding includes $50,000 grants to The Museum of the African Diaspora for the Emerging Artist Program and to California College of the Arts for the Wattis Institute New Growth Fund.
Typical grant sizes cluster in the middle range: p25 is $10,000, median is $25,000, and p75 is $50,000. The recent record shows repeated support for the same institutions and even the same programs across multiple years, especially at UCSF and Stanford, which points to ongoing institutional relationships rather than isolated gifts. Westridge Foundation is listed as a regular funder, and it funds individuals as well as organizations. The available record shows no program-related investments.
$2.3M
$5.1M
$2.6M
$2.5M
Most grants fall between $10K and $50K, with a median of $25K.
25th Percentile
$10K
Median
$25K
75th Percentile
$50K
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Highly concentrated: very few but large grants directed repeatedly to a single grantee (UCSF) and a single purpose (research support), indicating deep, repeat support rather than broad distribution.
Notable grantees: University of California San Francisco Foundation
Giving is highly concentrated in California, which accounts for 70% of grants and is the top state by grant count. Recent recipients include Richmond, San Francisco, Stanford, East Palo Alto, and San Jose, all in the Bay Area. Outside California, grants also reached Ithaca, New York, and New York, New York. The recipient country distribution is entirely U.S.-based in the provided data.
Its most distinctive funding pattern is sustained support for UCSF biomedical research, especially clinical trials and innovation work in remyelination and repair. The foundation also repeatedly funds the Michael Wilson Fund at UCSF, alongside a smaller set of education, arts, and community grants.
The typical grant size distribution is p25 at $10,000, median at $25,000, and p75 at $50,000. Recent awards range much higher for large research commitments, but most grants in the record sit in that smaller-to-midrange band.
Yes. The same institutions and programs appear across multiple years, including UCSF-related research support in 2023, 2024, and 2025, Stanford GSB in 2023 through 2025, and Meals on Wheels of San Francisco in 2023 through 2025.
California is the main geography in the record, with 70% of grants going to recipients in the HQ state. Recent California recipients include organizations in Richmond, San Francisco, Stanford, East Palo Alto, and San Jose.
The record includes scholarships and education support, such as Cornell University’s Bess Davidoff Scholarship Fund and Stanford GSB’s Dean’s Fund and Early Career Pre-MBA Pilot Program. It also includes arts funding for The Museum of the African Diaspora and California College of the Arts, plus community support for Meals on Wheels of San Francisco and Planned Parenthood Mar Monte.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION | RICHMOND, CA | $750,000 | 2025 | Research support for for Clinical Trials program for Innovation Program in Remyelination and Repair under supervision of Ari Green and Jonah Chan |
| UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION | RICHMOND, CA | $400,000 | 2025 | Research support led by Michael Wilson fund |
| DAMON RUNYON CANCER RESEARCH FND | NEW YORK, NY | $300,000 | 2025 | Damon Runyon Rachleff Innovation Award Fund |
| STANFORD UNIVERSITY - GSB | STANFORD, CA | $200,000 | 2025 | Dean's Fund and Early Career Pre-MBA Pilot Program Fund |
| EASTSIDE COLLEGE PREPARATORY SCHOOL INC | E PALO ALTO, CA | $60,000 | 2025 | Scholarship Fund and the college coaching program Scholarship Fund |
| MEALS ON WHEELS OF SAN FRANCISCO INC | SAN FRANCISCO, CA | $50,000 | 2025 | General & Unrestricted |
| CALIFORNIA PACIFIC MEDICAL CENTER FOUNDATION | SAN FRANCISCO, CA | $50,000 | 2025 | General & Unrestricted |
| THE MUSEUM OF THE AFRICAN DIASPORA | SAN FRANCISCO, CA | $50,000 | 2025 | Emerging Artist Program (EAP) |
| SAN FRANCISCO FILM SOCIETY | SAN FRANCISCO, CA | $43,000 | 2025 | General & Unrestricted |
| WOMEN IN FILM | LOS ANGELES, CA | $30,000 | 2025 | KILLA directed by Laci Dent |
| GIORNO POETRY SYSTEMS INSTITUTE INC | NEW YORK, NY | $25,000 | 2025 | The 222 Bowery Fund |
| MONTAGE HEALTH FOUNDATION | MONTEREY, CA | $25,000 | 2025 | General & Unrestricted |
| FILM INDEPENDENT INC | LOS ANGELES, CA | $25,000 | 2025 | IDIOTKA directed by Nastasya Popov |
| THE MUSEUM OF THE AFRICAN DIASPORA | SAN FRANCISCO, CA | $25,000 | 2025 | Support of Ongoing Online Education Programs |
| LUCILE PACKARD FOUNDATION FOR CHILDRENS HEALTH | PALO ALTO, CA | $25,000 | 2025 | Packard Children's Fund |
| HUMANE SOCIETY SILICON VALLEY | MILPITAS, CA | $25,000 | 2025 | General & Unrestricted |
| STANFORD UNIVERSITY | REDWOOD CITY, CA | $25,000 | 2025 | To support Under One Umbrella - Stanford Women's Cancer Center |
| WORLD CENTRAL KITCHEN INCORPORATED | WASHINGTON, DC | $25,000 | 2025 | General & Unrestricted |
| VIA ART FUND INC | NEW YORK, NY | $25,000 | 2025 | General & Unrestricted |
| COLUMBIA COLLEGE CHICAGO | CHICAGO, IL | $20,000 | 2025 | Museum of Contemporary Photography |
| REPRODUCTIVE FREEDOM FOR ALL FOUNDATION | WASHINGTON, DC | $15,000 | 2025 | Charitable Event |
| SAN FRANCISCO SOCIETY FOR THE PREVENTION OF CRUELT | SAN FRANCISCO, CA | $10,000 | 2025 | SF SPCA Holiday Window Sponsorship |
| SAN FRANCISCO FILM SOCIETY | SAN FRANCISCO, CA | $10,000 | 2025 | Festival Sponsorship |
| PLANNED PARENTHOOD MAR MONTE INC | SAN JOSE, CA | $10,000 | 2025 | General & Unrestricted |
| 18 REASONS | SAN FRANCISCO, CA | $10,000 | 2025 | General & Unrestricted |
| IF INNOVATION FOUNDATION | LOS ANGELES, CA | $10,000 | 2025 | Tavares Strachan short film |
| TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA | PHILADELPHIA, PA | $10,000 | 2025 | for the Engineering School Annual Giving Fund |
| SAN FRANCISCO FILM SOCIETY | SAN FRANCISCO, CA | $5,000 | 2025 | Awards Night Paddle Raise |
| OPERATION RAINBOW INC | OAKLAND, CA | $5,000 | 2025 | General & Unrestricted |
| PORTLAND ART MUSEUM | PORTLAND, OR | $5,000 | 2025 | PAM CUT Cinema Unbound Awards Fund Paddle Raise |
| THE VOTER PARTICIPATION CENTER | WASHINGTON, DC | $5,000 | 2025 | General & Unrestricted |
| SAN FRANCISCO FILM SOCIETY | SAN FRANCISCO, CA | $5,000 | 2025 | Doc Stories Sponsorship |
| JUVENILE DIABETES RESEARCH FOUNDATION | SAN FRANCISCO, CA | $5,000 | 2025 | General & Unrestricted |
| SAN FRANCISCO FILM SOCIETY | SAN FRANCISCO, CA | $5,000 | 2025 | Charitable Event |
| PORTLAND ART MUSEUM | PORTLAND, OR | $5,000 | 2025 | Charitable Event |
| ARCTIC ICE PROJECT | REDWOOD CITY, CA | $5,000 | 2025 | General & Unrestricted |
| BERKELEY REPERTORY THEATRE | BERKELEY, CA | $3,500 | 2025 | Charitable Event |
| MERCADO GLOBAL INC | BROOKLYN, NY | $3,000 | 2025 | !Fiesta! San Francisco - Paddle Raise |
| ALL STARS HELPING KIDS INC | SANTA CLARA, CA | $2,500 | 2025 | General & Unrestricted |
| EPACENTER | EAST PALO ALTO, CA | $2,500 | 2025 | General & Unrestricted |
| WINDMILL SCHOOL INC | PORTOLA VALLY, CA | $1,000 | 2025 | Fall Giving Campaign |
| UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION | RICHMOND, CA | $2,250,000 | 2024 | support for for Clinical Trials program for Innovation Program in Remyelination and Repair under supervision of Ari Green and Jonah Chan |
| UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION | RICHMOND, CA | $400,000 | 2024 | Research support for Michael Wilson Fund |
| STANFORD UNIVERSITY - GSB | STANFORD, CA | $200,000 | 2024 | Dean's Fund and Early Career Pre-MBA Pilot Program Fund |
| DAMON RUNYON CANCER RESEARCH FND | NEW YORK, NY | $200,000 | 2024 | Damon Runyon Rachleff Innovation Award |
| MEALS ON WHEELS OF SAN FRANCISCO INC | SAN FRANCISCO, CA | $112,000 | 2024 | General & Unrestricted |
| CALIFORNIA COLLEGE OF THE ARTS | SAN FRANCISCO, CA | $50,000 | 2024 | Wattis Institute New Growth Fund |
| THE MUSEUM OF THE AFRICAN DIASPORA | SAN FRANCISCO, CA | $50,000 | 2024 | Emerging Artist Program (EAP) |
| EASTSIDE COLLEGE PREPARATORY SCHOOL INC | E PALO ALTO, CA | $40,000 | 2024 | Eastside College Prep Scholarship fund |
| MEALS ON WHEELS OF SAN FRANCISCO INC | SAN FRANCISCO, CA | $30,000 | 2024 | Charitable Event |
Research support for for Clinical Trials program for Innovation Program in Remyelination and Repair under supervision of Ari Green and Jonah Chan
Research support led by Michael Wilson fund
DAMON RUNYON CANCER RESEARCH FND
$300,000Damon Runyon Rachleff Innovation Award Fund
STANFORD UNIVERSITY - GSB
$200,000Dean's Fund and Early Career Pre-MBA Pilot Program Fund
Scholarship Fund and the college coaching program Scholarship Fund
GIORNO POETRY SYSTEMS INSTITUTE INC
$25,000The 222 Bowery Fund
Support of Ongoing Online Education Programs
STANFORD UNIVERSITY
$25,000To support Under One Umbrella - Stanford Women's Cancer Center
COLUMBIA COLLEGE CHICAGO
$20,000Museum of Contemporary Photography
SF SPCA Holiday Window Sponsorship
IF INNOVATION FOUNDATION
$10,000Tavares Strachan short film
for the Engineering School Annual Giving Fund
OPERATION RAINBOW INC
$5,000General & Unrestricted
JUVENILE DIABETES RESEARCH FOUNDATION
$5,000General & Unrestricted
BERKELEY REPERTORY THEATRE
$3,500Charitable Event
ALL STARS HELPING KIDS INC
$2,500General & Unrestricted
WINDMILL SCHOOL INC
$1,000Fall Giving Campaign
support for for Clinical Trials program for Innovation Program in Remyelination and Repair under supervision of Ari Green and Jonah Chan
Research support for Michael Wilson Fund
STANFORD UNIVERSITY - GSB
$200,000Dean's Fund and Early Career Pre-MBA Pilot Program Fund
DAMON RUNYON CANCER RESEARCH FND
$200,000Damon Runyon Rachleff Innovation Award
Eastside College Prep Scholarship fund