William K Bowes Jr Foundation logo

William K Bowes Jr Foundation

SAN FRANCISCO, CA EIN: 94-3148482 Website

The William K. Bowes, Jr. Foundation is a private foundation established in 1991 by William K. Bowes, Jr., a pioneering venture capitalist who co-founded U.S. Venture Partners and served as founding shareholder and first Chairman of Amgen. Based in San Francisco, California, the foundation operates as a 501(c)(3) organization and maintains a venture philanthropy approach to grantmaking.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$236.8M

+2.3% YoY

Annual Giving

$18.0M

-26.0% YoY

Grant Count

48

+0.0% YoY

Avg Grant Size

$375K

-26.0% YoY

Under IRS private-foundation payout rules, William K Bowes Jr Foundation reported a distributable amount of $11.8M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation supports nonprofit organizations working across several funding priorities, including:

  • Arts
  • College access
  • Medical research
  • Civic institutions
  • Education

The foundation's strategic approach reflects William K. Bowes, Jr.'s venture capital philosophy of "venture philanthropy," which includes start-up investments, financing initiatives inside established institutions, and larger transformative investments in institutions at inflection points in their missions.

Grantmaking

Grant Range

$100,000 - $6,200,000

Invitation Only

** The foundation operates by invitation only and does not accept unsolicited letters of interest or unsolicited proposals. Grants are not made to individuals.

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Geographic Focus

Where this funder awards grants

The foundation primarily focuses on California, with particular emphasis on the San Francisco Bay Area.

Grant Distribution by State

11states
+3 more states

Cities

AustinBerkeleyBolinasBostonCambridgeChicagoConcordHollisterMenlo ParkMountain ViewNew YorkNorwalkOaklandPalo AltoPetalumaPortlandPrincetonRedwood CitySan AnselmoSan Diego

Financial History

Multi-year comparison from IRS filings

As of 2024:

  • Total assets: $237,000,000
  • Revenue: $15,539,775
  • Expenses: $11,864,149
  • Net income: $3,675,626
  • Net assets: $214,941,586
  • Total liabilities: $21,800,000

Tax-exempt status: January 1992 (EIN: 94-3148482)

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$10M$20M$30M$40M20202021202220232024
Metric202420232022
Total Assets$236,755,476$231,390,225$235,253,719
Revenue$15,539,775$16,366,525$5,855,939
Expenses$11,864,149$12,136,135$14,800,904
Qualifying Distributions$18,442,897$24,809,147$26,102,918
Net Investment Income$12,925,152$9,175,277$4,510,827
Distributable Amount$11,789,226$11,511,596$12,717,808

Giving Over Time

Total grant dollars and number of grants per year

$0$12M$24M$36M$49M79 grants202056 grants202151 grants202248 grants202348 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

UCSF FOUNDATION$5.8MJ DAVID GLADSTONE INSTIT…$2.0MEPISCOPAL DIOCESE OF CAL…$1.0MTHE EXPLORATORIUM$1.0MBOARD OF TRUSTEES OF THE…$850KEPISCOPAL DIOCESE OF CAL…$500KHARVARD UNIVERSITY$500KKIPP BAY AREA SCHOOLS$500KUC BERKELEY FOUNDATION$500KTHE UNIVERSITY OF TEXAS …$375K

Grant Size Distribution

246 grants across all recorded years

42<$50K25$50–100K67$100–250K45$250–500K32$500K–1M31$1–5M4$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Ucsf Foundation ($5,833,333), J David Gladstone Institutes ($2,000,000), Episcopal Diocese of California ($1,000,000).

RecipientPurposeAmount
ACHIEVEMENT REWARDS FOR COLLEGE SCIENTISTS FOUNDATION INC SAN FRANCISCO, CASTANFORD UNIVERSITY SCHOLAR$20,000
ALS THERAPY DEVELOPMENT FOUNDATION WATERTOWN, MATO SUPPORT THE ALS CAPSULE$100,000
ASIAN ART MUSEUM FOUNDATION OF SAN FRANCISCO SAN FRANCISCO, CATHE WILLIAM K. BOWES, JR. FOUNDATION FUND FOR EDUCATION AND RESEARCH$200,000
BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY STANFORD, CAWILLIAM K. BOWES, JR. FOUNDATION: STANFORD BIO-X BOWES FELLOWS, UTE AND BILL BOWES, JR. LIBRARY AND THE DEPARTMENT OF ART AND ART HISTORY IN THE SCHOOL OF HUMANITIES AND SCIENCES$850,000
BOLINAS MUSEUM BOLINAS, CAGENERAL OPERATING SUPPORT$5,000
BOYS & GIRLS CLUBS OF SAN FRANCISCO SAN FRANCISCO, CACITYWIDE EDUCATION PROGRAMMING$100,000
CANARY FUND WOODSIDE, CATO SUPPORT NEW DIRECTIONS: TECHNIQUES AND TECHNOLOGIES TO DETECT CANCER EARLY AND IDENTIFY HIGH RISK INDIVIDUALS$333,334
CANCER RESEARCH FUND OF THE DAMON RUNYON - WALTER WINCHELL FOUNDATION NEW YORK, NYDAMON RUNYON CLINICAL INVESTIGATOR CONTINUATION GRANT$166,666
CLEARITY FOUNDATION SAN DIEGO, CAOVARIAN CANCER SUPPORT$50,000
COLLEGE TRACK OAKLAND, CAGENERAL OPERATING SUPPORT$50,000

Leadership & Key People

Leadership team and compensation from IRS filings

  • Executive Director: Derek Aspacher (daspacher@pfs-llc.net, 415.561.6540 ext. 249)
  • Grants Manager: Tatiana Gordon (tgordon@pfs-llc.net, 415.561.6540 ext. 280)
  • Administrative Partner: Pacific Foundation Services

Compensation Overview

From 2024 IRS filing

CHRIS PERKINSVP, SECRETARY-TREASURER, CFO$80K

From 2024 filing

NameTitleHoursCompensation
UTE BOWESPRESIDENT1
CHRIS PERKINSVP, SECRETARY-TREASURER, CFO3$80,000
DOUGLAS TINKERVP, AUDIT CHAIR2

Contact Information

Address: 1660 Bush Street, Suite 300, San Francisco, CA 94109-5308

Phone: 415-561-6540

Website: www.wkbowesjrfoundation.org

Frequently Asked Questions

What does William K Bowes Jr Foundation fund?

The foundation supports nonprofit organizations working across several funding priorities, including: • Arts • College access • Medical research • Civic institutions • Education The foundation's strategic approach reflects William K. Bowes, Jr.'s venture capital philosophy of "venture philanthropy," which includes start-up investments, financing initiatives inside established institutions, and larger transformative investments in institutions at inflection points in their missions.

How do I apply for a grant from William K Bowes Jr Foundation?

**Application Process:** The foundation operates by invitation only and does not accept unsolicited letters of interest or unsolicited proposals. Grants are not made to individuals. **Grant Activity (2023):** • Total annual giving: $24,361,008 • Number of grants: 48 • Grant range: $100,000 - $6,200,000 • Median grant: $200,000

Where does William K Bowes Jr Foundation make grants?

The foundation primarily focuses on California, with particular emphasis on the San Francisco Bay Area.

What size grants does William K Bowes Jr Foundation award?

In 2024, William K Bowes Jr Foundation awarded 48 grants totaling $18.0M — an average of about $375K per grant, based on its IRS Form 990 filings.

How much is William K Bowes Jr Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, William K Bowes Jr Foundation reported a distributable amount of $11.8M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is William K Bowes Jr Foundation's EIN?

William K Bowes Jr Foundation's EIN (Employer Identification Number) is 94-3148482. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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