The Weill Family Foundation
The Weill Family Foundation is a private family foundation established around 1967 and based in Albany, New York. Founded by Sanford I. Weill, former CEO of Citigroup Inc. (until 2003) and Chairman (until 2006), the foundation serves as the philanthropic vehicle for Sanford and Joan Weill. The foundation operates as a 501(c)(3) organization and represents one of the most significant private philanthropies in the United States.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$390.2M
+8.5% YoY
Annual Giving
$17.6M
-10.1% YoY
Grant Count
20
+100.0% YoY
Avg Grant Size
$882K
-55.1% YoY
Mission & Focus Areas
The foundation focuses on three core areas: arts and culture, education, and health. The foundation emphasizes long-term institutional partnerships rather than broad grant distribution, working exclusively with preselected charitable organizations.
Grantmaking
The Weill Family Foundation does not accept unsolicited grant applications. The foundation works exclusively through invitation-only processes with preselected charitable organizations based on trustee discretion.
Grant Range
** $500,000 to $100 million
Average Grant
** Approximately $1.96 million
Invitation Only
** No unsolicited applications accepted; invitation only
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Geographic Focus
Where this funder awards grants
The foundation has national funding reach with primary focus on multiple U.S. cities. Grantmaking is distributed across multiple states including New York, California, Michigan, Florida, Alabama, and the District of Columbia, with significant concentration in California and New York.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of 2024:
- Total Assets: $390.2 million
- Total Revenue: $49.9 million
- Total Expenses: $19.1 million
- Net Income: $30.7 million
- Total Liabilities: $0
Historical Growth: Total assets have grown from $54.5 million in 2011 to $390.2 million in 2024.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $390,222,484 | $359,486,995 | $375,545,398 |
| Revenue | $49,869,389 | $4,817,852 | $8,335,073 |
| Expenses | $19,133,900 | $20,876,255 | $18,828,343 |
| Qualifying Distributions | $17,921,504 | $19,955,438 | $18,150,113 |
| Net Investment Income | $29,135,211 | $10,295,531 | $10,341,725 |
| Distributable Amount | $19,297,748 | $18,444,855 | $19,474,457 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
58 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Board Members and Officers:
- Sanford Weill — Chairman, Treasurer, Director
- Joan Weill — President, Director
- Michael Masin — Secretary, Director
- Jessica Bibliowicz — Director
- Arthur Mahon — Assistant Secretary, Assistant Treasurer, Director
- Tommy Bibliowicz — Director
- David Bibliowicz — Director
- Michael Freedman — Chief Investment Officer, Director
- Marc Weill — Director
- Viju Rajan — Director, Audit Committee
All board members serve on a voluntary basis with no compensation.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| SANFORD WEILL | CHAIRMAN, CEO, DIRECTOR | 5 | — |
| JOAN WEILL | VICE CHAIRMAN, DIRECTOR | 5 | — |
| MICHAEL MASIN | SECRETARY, DIRECTOR | 1 | $25,000 |
| JESSICA BIBLIOWICZ | PRESIDENT, DIRECTOR | 1 | — |
| TOMMY BIBLIOWICZ | Director | 1 | — |
| DAVID BIBLIOWICZ | Director | 1 | — |
| MICHAEL FREEDMAN | TREASURER, DIRECTOR, INV COMM | 1 | — |
| MARC WEILL | VICE CHAIRMAN, DIRECTOR | 1 | — |
| VIJU RAJAN | DIRECTOR, AUDIT COMMITTEE | 8 | — |
| LAUREL SRI-JAYANTHA | DIRECTOR | 1 | — |
| DR PAUL ALIVISATOS | DIRECTOR | 1 | $25,000 |
| DR MARK SCHLISSEL | DIRECTOR | 1 | $25,000 |
| DR MARC TESSIER-LAVIGNE | DIRECTOR | 1 | $25,000 |
Recent News & Activity
Recent developments and announcements
In 2025, the Weill Family Foundation announced a $50 million gift to establish the Weill Cancer Hub East at Weill Cornell Medicine. The foundation also pledged $100 million to launch a UCSF-Stanford cancer research hub for breakthrough research initiatives.
$50 Million Gift from the Weill Family Foundation Establishes the ...Contact Information
Address: PO Box 10879, Albany, NY 12201-5879
Telephone: 518-301-1679
EIN: 13-6223609
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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