The William Louis-Dreyfus Foundation

Foundation · Grantmaker Wilton, CT EIN: 46-3745686

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

1state

Share of all 2 itemized 2025 grant dollars.

States

Cities

New YorkLong Island City

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M$2M1 grants20201 grants20212 grants20221 grants20233 grants20242 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Harlem Children's Zone: $1.2MHarlem Children's Zone$1.2MNew York Studio School: $10KNew York Studio School$10K

Grant Size Distribution

9 grants across all recorded years

4<$50K$50–100K$100–250K$250–500K$500K–1M5$1–5M$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
HARLEM CHILDREN'S ZONE New York, NYSUPPORT OF THE ORGANIZATION$1,162,500
NEW YORK STUDIO SCHOOL New York, NYSUPPORT OF THE ORGANIZATION$10,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$2M$4M$6M202020212022202320242025
Metric202520242023
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

  1. 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.

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