William E and Aenid R Weisgerber
William E and Aenid R Weisgerber is a private foundation based in San Francisco, California. In its 2025 filing, it reported giving $361,400 through 10 grants to charitable organizations and other recipients.
William E and Aenid R Weisgerber at a glance
In short: William E and Aenid R Weisgerber gave $361K across 10 grants in 2025 (avg $36K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $361,400
- +19.9% vs 2024
- Grants made (2025)
- 10
- +100.0% vs 2024
- Average grant
- $36,140
- -40.0% vs 2024
- Median grant
- $5,000
- Total assets
- $4,026,135
- +2.6% vs 2024
- Primary geography
- California (99% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to William E and Aenid R Weisgerber
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 180 Montgomery Street 1616, San Francisco, CA 94104
Phone: (415) 364-9700
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who William E and Aenid R Weisgerber funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was California Pacific Medical Center Foundation ($160K). Together the top 8 received $356K.
Organizations only. It also paid 1 individual scholarship ($5,000), which are not listed by name.
Grant Size Distribution
29 grants across all recorded years
The most common grant size was under $50K: 17 grants of 29 (59%).
Geographic Focus
Where this funder awards grants
In 2025, 99% of grant dollars went to recipients in California and 1% to recipients in Maryland.
Grant Distribution by State
Share of 2025 grant dollars across all 10 itemized grants.
States
Cities
How William E and Aenid R Weisgerber gives
- Giving grew 24% from 2022 to 2025. Method
- In 2025 it paid out 104% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $291K (2022) to $361K (2025). In 2025 it made 10 grants totaling $361K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| California Pacific Medical Center Foundation San Francisco, CA | Support the Weisgerber Cardiology Support Fund, SPF No. 20530 | $160,000 |
| Lucile Packard Foundation for Children's Health Palo Alto, CA | Support "Physical Activity and Exercise in Youth with Type 1 Diabetes" research project | $86,400 |
| Diabetes Youth Families Concord, CA | General support | $60,000 |
| American Red Cross San Francisco, CA | Support the Emergency Response Fund for victims of the Southern California wildfires | $25,000 |
| Classical California KDFC Los Angeles, CA | General support | $5,000 |
| 1 individual scholarship Recipients not named | — | $5,000 |
| Kqed City of Industry, CA | General support | $5,000 |
| Partners in Health Frederick, MD | Support for children in Haiti suffering from malnutrition | $5,000 |
| San Francisco Chamber of Commerce Foundation San Francisco, CA | Support the Job Forum program | $5,000 |
| San Francisco Chamber of Commerce Foundation San Francisco, CA | Support the Job Forum program | $5,000 |
Ready to take the next step with William E and Aenid R Weisgerber?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $4,026,135 | $554,390 | $453,327 | $361,400 | 10 | $383,622 | $495,139 | $369,337 |
| 2024 | $3,925,072 | $460,474 | $380,272 | $301,400 | 5 | $321,658 | $417,049 | $339,584 |
| 2023 | $3,844,870 | $313,816 | $357,055 | $291,400 | 5 | $305,943 | $260,297 | $308,051 |
| 2022 | $3,888,109 | $193,003 | $400,459 | $291,400 | 5 | $338,054 | $140,314 | $314,626 |
| 2021 | $4,095,556 | $192,696 | $383,957 | $299,400 | 4 | $325,548 | $127,646 | $327,508 |
| 2020 | $4,286,817 | $1,034,169 | $426,589 | $312,400 | 3 | — | $311,013 | $292,753 |
Under IRS private-foundation payout rules, William E and Aenid R Weisgerber reported a distributable amount of $369K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants show support for a range of charitable purposes, including medical care and research, youth services, emergency response, education, media, and employment programming.
Among its 2025 grantees, an individual recipient describes its mission as empowering young people to become leaders and change agents through scholarships, service-learning, leadership development, and travel opportunities. KQED describes its work as providing public-interest media, convening community dialogue, bringing the arts to audiences, and supporting students and teachers.
Grantmaking
In filing year 2025, the foundation reported 10 grants totaling $361,400. Grants ranged from $5,000 to $160,000, with a median of $5,000.
The largest grants included $160,000 to California Pacific Medical Center Foundation for the Weisgerber Cardiology Support Fund and $86,400 to Lucile Packard Foundation for Children's Health for a research project on physical activity and exercise among youth with type 1 diabetes. Diabetes Youth Families received $60,000 for general support, and the American Red Cross received $25,000 for its Emergency Response Fund for victims of the Southern California wildfires. Other grants included $5,000 each to Classical California KDFC, KQED, Partners in Health, and the San Francisco Chamber of Commerce Foundation, which received two $5,000 grants for its Job Forum program. A $5,000 grant to an individual recipient supported scholarships for students in Guatemala, Costa Rica, Ghana, Vietnam, and India who have limited access to education.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Gary E Botto as director, president, and treasurer; Stephanie H Dobozin as vice president; and Stacey M Camarena as secretary.
William E and Aenid R Weisgerber is led by Gary E Botto, Director, President & Treasurer since 2023 (on filings since 2020); none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Gary E Botto
Director, President & Treasurer
Director & President → Director, President & Treasurer, 2023
On filings since 2020
1 hr/week
No compensation reported
Stacey M Camarena
Secretary
On filings since 2023
1 hr/week
No compensation reported
Stephanie H Dobozin
Vice President
On filings since 2023
1 hr/week
No compensation reported
Former officers (1)
- Former: Clare M Raj (2020–2022) — Vice President, Secretary & Treasurer
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about William E and Aenid R Weisgerber
How much does William E and Aenid R Weisgerber give each year?
William E and Aenid R Weisgerber gave $361K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $301K across 5 grants.
What is William E and Aenid R Weisgerber's typical grant size?
William E and Aenid R Weisgerber's median grant in 2025 was $5,000, and its average grant was $36,140, across 10 grants on its 2025 IRS Form 990-PF.
Where does William E and Aenid R Weisgerber give grants?
William E and Aenid R Weisgerber gives mostly in California: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Francisco, CA (4 grants).
Does William E and Aenid R Weisgerber give general operating support?
Yes: 30% of William E and Aenid R Weisgerber's 2025 grants with a stated purpose (3 of 10) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are William E and Aenid R Weisgerber's largest grantees?
William E and Aenid R Weisgerber's largest 2025 grantees include California Pacific Medical Center Foundation ($160,000), Lucile Packard Foundation for Children's Health ($86,400) and Diabetes Youth Families ($60,000), according to its 2025 IRS Form 990-PF. It also paid 1 individual scholarship ($5,000), which are not listed by name. Together they received 85% of its itemized 2025 grant dollars.
How large is William E and Aenid R Weisgerber?
William E and Aenid R Weisgerber reported $4.0M in total assets on its 2025 IRS Form 990-PF. It paid out $384K in qualifying distributions that year, against a required minimum of $369K (roughly 5% of its investment assets).
What does William E and Aenid R Weisgerber fund?
No mission statement for the foundation is provided. Its 2025 grants show support for a range of charitable purposes, including medical care and research, youth services, emergency response, education, media, and employment programming. See mission & focus areas ↑
How do I apply for a grant from William E and Aenid R Weisgerber?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is William E and Aenid R Weisgerber's EIN?
William E and Aenid R Weisgerber's EIN (Employer Identification Number) is 94-3306221. IRS Form 990 filing data is available on this page for 2020–2025.
Does William E and Aenid R Weisgerber accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS September 20, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 1, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 4, 2026)
Live grants for the work William E and Aenid R Weisgerber funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in William E and Aenid R Weisgerber's focus areas in our free grants database
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Cite this profile
Grantable. (2026). William E and Aenid R Weisgerber funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/william-e-and-aenid-r-weisgerber-morg_f6db2a6f28ad4048abc180d4c7707349
BibTeX
@misc{grantable_943306221_2026,
author = {{Grantable}},
title = {{William E and Aenid R Weisgerber funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/william-e-and-aenid-r-weisgerber-morg_f6db2a6f28ad4048abc180d4c7707349},
note = {Accessed 2026-10-18. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from William E and Aenid R Weisgerber's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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