David & Susan Martin Foundation Inc
David & Susan Martin Foundation Inc is a private foundation based in Oakland, California. Its 2025 grants supported organizations including a school, a children’s hospital, churches, health and research organizations, and community and environmental groups.
David & Susan Martin Foundation Inc at a glance
In short: David & Susan Martin Foundation Inc gave $193K across 27 grants in 2025 (avg $7K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $192,549
- +22.8% vs 2024
- Grants made (2025)
- 27
- +107.7% vs 2024
- Average grant
- $7,131
- -40.9% vs 2024
- Median grant
- $2,500
- Total assets
- $3,728,638
- -1.5% vs 2024
- Primary geography
- California (97% 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 David & Susan Martin Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests and makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 1970 Broadway 745, Oakland, CA 94612
Phone: (310) 474-7379
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who David & Susan Martin Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Bentley School ($48K). Together the top 10 received $139K.
Organizations only. It also paid 2 grants to individuals ($22,500), which are not listed by name.
Grant Size Distribution
69 grants across all recorded years
The most common grant size was under $50K: 69 grants of 69 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 97% of grant dollars went to recipients in California, with 1% each going to recipients in Missouri and Alabama.
Grant Distribution by State
Share of 2025 grant dollars across all 27 itemized grants.
Cities
How David & Susan Martin Foundation Inc gives
- 38% of 2025 grantees were also funded in 2024. Method
- Giving grew 613% from 2022 to 2025. Method
- In 2025 it paid out 101% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $27K (2022) to $193K (2025). In 2025 it made 27 grants totaling $193K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Bentley School Lafayette, CA | Allow Students to Pursue Academic Excellence | $47,500 |
| UCSF Benioff Children's Hospital San Francisco, CA | To ensure that every child in our community hasaccess to world class pediatric health care. | $30,000 |
| 2 grants to individuals Recipients not named | — | $22,500 |
| Hospitals without Borders Oakland, CA | Deploy healthcare facilities in response to urgent need. | $12,500 |
| Reality SF Church San Francisco, CA | General Support to Church | $12,000 |
| Hillside Christian Center Napa, CA | To Support Church and Its Missions | $10,000 |
| The Cancer League Inc Oakland, CA | To Fund Groundbreaking Cancer Research at Itsearly Stages. | $6,000 |
| Children's Health Guild Lafayette, CA | Support children's hospital and care programs | $6,000 |
| League to Save Lake Tahoe South Lake Tahoe, CA | Protect Lake Tahoe basin | $5,000 |
| Little Wishes San Anselmo, CA | Young patient wish fulfillment | $5,000 |
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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 | $3,728,638 | $184,659 | $242,926 | $192,549 | 27 | $202,805 | $159,376 | $200,228 |
| 2024 | $3,785,721 | $645,855 | $189,563 | $156,833 | 13 | $161,621 | $622,856 | $179,152 |
| 2023 | $3,699,315 | $199,951 | $210,664 | $175,100 | 21 | $187,970 | $177,165 | $173,330 |
| 2022 | $3,514,407 | $3,042,752 | $32,800 | $27,000 | 3 | $30,002 | $31,410 | $62,236 |
| 2021 | $624,204 | $28,406 | $69,846 | $57,907 | 5 | $65,809 | $25,568 | $31,373 |
| 2020 | $622,852 | $71,677 | $175,945 | $166,800 | 11 | — | $54,573 | $29,524 |
Under IRS private-foundation payout rules, David & Susan Martin Foundation Inc reported a distributable amount of $200K 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 went to organizations with varied purposes. For example, Bentley School describes its mission as inspiring inquiry, academic excellence, personal achievement, and character. The Cancer League says it funds early-stage cancer research, while the League to Save Lake Tahoe describes its work as protecting and restoring the basin’s environmental health and scenic beauty. Other recipients include organizations supporting pediatric care, hospitalized children, youth programs, churches, and firefighters.
Grantmaking
In filing year 2025, the foundation reported 27 grants totaling $192,549. Grants ranged from $1,000 to $47,500, with a median of $2,500. The largest listed grants were $47,500 to Bentley School, $30,000 to UCSF Benioff Children’s Hospital, $20,000 to an individual recipient for a scholarship fund, and $12,500 to Hospitals without Borders. Other listed grants included $12,000 to Reality SF Church, $10,000 to Hillside Christian Center, $6,000 each to The Cancer League Inc. and Children’s Health Guild, and $5,000 each to the League to Save Lake Tahoe, Little Wishes, and Oakland Police Activity League.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Katherine L Osler and Annabel R Siri as Co-Presidents, Stephen E Siri as Secretary/Direc, and Justin H Osler as CFO/Director.
David & Susan Martin Foundation Inc is led by Annabel R Siri, Co-President since 2024 (on filings since 2020); none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Annabel R Siri
Co-President
Secretary & Director → Co-President & Director, 2021
Co-President & Director → Co-President, 2024
On filings since 2020
1 hr/week
No compensation reported
Katherine L Osler
Co-President
CFO & Director → Co-President & Director, 2021
Co-President & Director → Co-President, 2024
On filings since 2020
1 hr/week
No compensation reported
Justin H Osler
CFO & Director
On filings since 2021
1 hr/week
No compensation reported
Stephen E Siri
Secretary & Director
On filings since 2021
1 hr/week
No compensation reported
Former officers (1)
- Former: J. David Martin (2020–2021) — President & Director
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 David & Susan Martin Foundation Inc
How much does David & Susan Martin Foundation Inc give each year?
David & Susan Martin Foundation Inc gave $193K across 27 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $157K across 13 grants.
What is David & Susan Martin Foundation Inc's typical grant size?
David & Susan Martin Foundation Inc's median grant in 2025 was $2,500, and its average grant was $7,131, across 27 grants on its 2025 IRS Form 990-PF.
Where does David & Susan Martin Foundation Inc give grants?
David & Susan Martin Foundation Inc gives mostly in California: 97% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Oakland, CA (4 grants), Lafayette, CA (3 grants), San Francisco, CA (3 grants) and Napa, CA (2 grants).
Does David & Susan Martin Foundation Inc give general operating support?
Yes: 26% of David & Susan Martin Foundation Inc's 2025 grants with a stated purpose (7 of 27) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are David & Susan Martin Foundation Inc's largest grantees?
David & Susan Martin Foundation Inc's largest 2025 grantees include Bentley School ($47,500), UCSF Benioff Children's Hospital ($30,000) and Hospitals without Borders ($12,500), according to its 2025 IRS Form 990-PF. It also paid 2 grants to individuals ($22,500), which are not listed by name. Together they received 47% of its itemized 2025 grant dollars.
How large is David & Susan Martin Foundation Inc?
David & Susan Martin Foundation Inc reported $3.7M in total assets on its 2025 IRS Form 990-PF. It paid out $203K in qualifying distributions that year, against a required minimum of $200K (roughly 5% of its investment assets).
What does David & Susan Martin Foundation Inc fund?
No mission statement for the foundation is provided. Its 2025 grants went to organizations with varied purposes. For example, Bentley School describes its mission as inspiring inquiry, academic excellence, personal achievement, and character. See mission & focus areas ↑
How do I apply for a grant from David & Susan Martin Foundation Inc?
The foundation does not accept unsolicited requests and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is David & Susan Martin Foundation Inc's EIN?
David & Susan Martin Foundation Inc's EIN (Employer Identification Number) is 20-3945158. IRS Form 990 filing data is available on this page for 2020–2025.
Does David & Susan Martin Foundation Inc 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS October 27, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 22, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 27, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS March 16, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work David & Susan Martin Foundation Inc funds
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Cite this profile
Grantable. (2026). David & Susan Martin Foundation Inc funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/david-and-susan-martin-foundation-inc-morg_0849f09115dc43c1aa7a55bf035c6568
BibTeX
@misc{grantable_203945158_2026,
author = {{Grantable}},
title = {{David \& Susan Martin Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/david-and-susan-martin-foundation-inc-morg_0849f09115dc43c1aa7a55bf035c6568},
note = {Accessed 2026-10-22. 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 David & Susan Martin Foundation Inc'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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