The William Louis-Dreyfus Foundation
The William Louis-Dreyfus Foundation is a private foundation focused on Arts, Culture & Humanities, based in Wilton, CT. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $25.7M in total assets. In 2025, it awarded 2 grants totaling $1.2M. Net investment income was $349K.
The William Louis-Dreyfus Foundation at a glance
In short: The William Louis-Dreyfus Foundation gave $1.2M across 2 grants in 2025 (avg $586K), mostly in New York. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,172,500
- -22.8% vs 2024
- Grants made (2025)
- 2
- -33.3% vs 2024
- Average grant
- $586,250
- +15.8% vs 2024
- Median grant
- $586,250
- Total assets
- $25,658,804
- -9.9% vs 2024
- Primary geography
- New York (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who The William Louis-Dreyfus Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was Harlem Children's Zone ($1.2M). Together the top 2 received $1.2M.
Grant Size Distribution
9 grants across all recorded years
The most common grant size was in the $1–5M range: 5 grants of 9 (56%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
States
Cities
How The William Louis-Dreyfus Foundation gives
- Giving held roughly steady from 2022 to 2025 (+15%). 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 $1.0M (2020) to $1.5M (2024). In 2025 it made 2 grants totaling $1.2M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Harlem Children's Zone New York, NY | Support of the Organization | $1,162,500 |
| New York Studio School New York, NY | Support of the Organization | $10,000 |
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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 |
|---|---|---|---|---|---|---|---|
| 2025 | $25,658,804 | $-629,117 | $2,052,857 | $1,172,500 | 2 | $1,923,307 | $349,252 |
| 2024 | $28,480,167 | $520,362 | $2,449,705 | $1,519,300 | 3 | $2,344,669 | $1,993,395 |
| 2023 | $30,341,957 | $532,718 | $1,619,721 | $1,000,000 | 1 | $1,531,000 | $866,166 |
| 2022 | $31,311,165 | $-115,615 | $1,615,257 | $1,020,000 | 2 | $1,480,287 | $667,150 |
| 2021 | $33,041,164 | $1,144,769 | $1,560,792 | $1,000,000 | 1 | — | $2,371,363 |
| 2020 | $33,437,530 | $2,107,402 | $1,607,613 | $1,000,000 | 1 | — | $3,809,021 |
Leadership & Key People
Officers and directors from IRS filings
The William Louis-Dreyfus Foundation is led by Jeff Gilman, President on every filing since 2020; none of the 8 officers listed in 2025 report compensation.
Officers on the 2025 filing
Jeff Gilman
President
On filings since 2020
3 hrs/week
No compensation reported
Julia Hall
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Patrick B. Fenn
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Robert L. Costello
Director
On filings since 2020
0.1 hrs/week
No compensation reported
Phoebe Louis-Dreyfus
Director
On filings since 2021
0.3 hrs/week
No compensation reported
Tom Wingertzahn
Chief Financial Officer
On filings since 2020
1 hr/week
No compensation reported
Vincent Cuono
Secretary & Treasurer
On filings since 2020
5 hrs/week
No compensation reported
Yoji Nimura
Chief Investment Officer
On filings since 2020
1 hr/week
No compensation reported
Former officers (1)
- Former: Phoebe Eavis (2020) — 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 The William Louis-Dreyfus Foundation
How much does The William Louis-Dreyfus Foundation give each year?
The William Louis-Dreyfus Foundation gave $1.2M across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.5M across 3 grants.
How large is The William Louis-Dreyfus Foundation?
The William Louis-Dreyfus Foundation reported $25.7M in total assets on its 2025 IRS Form 990-PF.
What is The William Louis-Dreyfus Foundation?
The William Louis-Dreyfus Foundation is a private foundation focused on Arts, Culture & Humanities, based in Wilton, CT. It holds $25.7M in total assets as of 2025.
Where does The William Louis-Dreyfus Foundation operate?
The William Louis-Dreyfus Foundation has awarded grants in New York.
What is The William Louis-Dreyfus Foundation's EIN?
The William Louis-Dreyfus Foundation's EIN (Employer Identification Number) is 46-3745686. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
Live grants for the work The William Louis-Dreyfus Foundation funds
Arts, Culture & Humanities Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in The William Louis-Dreyfus Foundation's focus areas in our free grants database
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