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.
Key facts about The William Louis-Dreyfus Foundation
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.
- EIN
- 46-3745686
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $1,172,500
- Grants made (2025)
- 2
- Average grant
- $586,250
- Median grant
- $586,250
- Total assets
- $25,658,804
- Primary geography
- New York (100% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$25.7M
-9.9% YoY
Annual Giving
$1.2M
-22.8% YoY
Grant Count
2
-33.3% YoY
Avg Grant Size
$586K
+15.8% YoY
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.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 2 itemized 2025 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
Grant Size Distribution
9 grants across all recorded years
Giving History
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 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $25,658,804 | $28,480,167 | $30,341,957 |
| Revenue | $-629,117 | $520,362 | $532,718 |
| Expenses | $2,052,857 | $2,449,705 | $1,619,721 |
| Qualifying Distributions | $1,923,307 | $2,344,669 | $1,531,000 |
| Net Investment Income | $349,252 | $1,993,395 | $866,166 |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
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.
Here's the math on researching The William Louis-Dreyfus Foundation by hand.
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