Marin Senior Life Foundation
Marin Senior Life Foundation is a private foundation, based in Wilmington, DE. IRS filing data is available from 2024 through 2025. As of 2025, the organization holds $19.5M in total assets. In 2025, it made $111K in qualifying distributions. Net investment income was $609K.
Marin Senior Life Foundation at a glance
- Total assets
- $19,510,570
- +175008.3% vs 2024
- Revenue (2025)
- $19,628,789
- +95.8% vs 2024
- Qualifying distributions (2025)
- $111,157
- -98.9% vs 2024
- Expenses (2025)
- $129,361
- -98.7% vs 2024
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Marin Senior Life Foundation funds
How this funder distributes its grants
Grant Size Distribution
1 grant across all recorded years
The most common grant size was $5M or more: 1 grant of 1 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
How Marin Senior Life Foundation gives
- In 2025 it paid out 15% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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
In 2024 it made 1 grant totaling $10.0M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Congregation Rodef Sholom of Marin San Rafael, CA | General & Unrestricted | $10,000,000 |
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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 | $19,510,570 | $19,628,789 | $129,361 | — | — | $111,157 | $608,886 | $760,659 |
| 2024 | $11,142 | $10,025,014 | $10,013,872 | $10,000,000 | 1 | $10,013,872 | $14 | $62 |
Under IRS private-foundation payout rules, Marin Senior Life Foundation reported a distributable amount of $761K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Marin Senior Life Foundation is led by Donna Isralsky, Director & President on every filing since 2024; none of the 9 officers listed in 2025 report compensation.
Officers on the 2025 filing
Donna Isralsky
Director & President
On filings since 2024
1 hr/week
No compensation reported
Heather Bennett
Director & Secretary
On filings since 2024
1 hr/week
No compensation reported
Jennifer Harris-Marks
Director
On filings since 2024
1 hr/week
No compensation reported
Joyce Rifkind
Director
On filings since 2024
1 hr/week
No compensation reported
Ken Mercer
Director, Vice President & Treasurer
On filings since 2024
1 hr/week
No compensation reported
Martin Konopken
Director
On filings since 2024
1 hr/week
No compensation reported
Rebecca Lien
Director
On filings since 2024
1 hr/week
No compensation reported
Daniel Cooperman
Director
New on the 2025 filing
1 hr/week
No compensation reported
Luke Barnesmoore
Director
New on the 2025 filing
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2024–2025. "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 Marin Senior Life Foundation
How large is Marin Senior Life Foundation?
Marin Senior Life Foundation reported $19.5M in total assets on its 2025 IRS Form 990-PF. It paid out $111K in qualifying distributions that year, against a required minimum of $761K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does Marin Senior Life Foundation operate?
Marin Senior Life Foundation has awarded grants in California.
What is Marin Senior Life Foundation's EIN?
Marin Senior Life Foundation's EIN (Employer Identification Number) is 99-3700997. IRS Form 990 filing data is available on this page for 2024–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2024 (received by the IRS November 7, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 1, 2026)
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Figures come from Marin Senior Life Foundation'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.
Marin Senior Life Foundation down — hundreds of funders to go?