The Weill Family Foundation

Private foundation · Grantmaker Albany, NY EIN: 13-6223609

The Weill Family Foundation is a private foundation based in Albany, New York. In 2024, it awarded grants to universities, cultural organizations, and other charitable organizations, with most of its grant dollars going to recipients in California.

The Weill Family Foundation at a glance

In short: The Weill Family Foundation gave $17.6M across 20 grants in 2024 (avg $882K), mostly in California. 55% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$17,637,214
-10.1% vs 2023
Grants made (2024)
20
+100.0% vs 2023
Average grant
$881,861
-55.1% vs 2023
Median grant
$50,000
Total assets
$390,222,484
+8.5% vs 2023
New grantees (estimate)
55% first-time grantees (11 of 20, 2024; small sample)
Primary geography
California (91% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The Weill Family Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.

Contact

Mailing address: PO Box 10879, Albany, NY 12201
Phone: (518) 301-1679

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Weill Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

University of California San Francisco Foundation: $9.7MUniversity of California SanFrancisco Foundation$9.7MUniversity of California Berkeley Foundation: $3.8MUniversity of CaliforniaBerkeley Foundation$3.8MUc Davis Foundation: $2.5MUc Davis Foundation$2.5MNAF: $800KNAF$800KNew York Historical Society: $250KNew York Historical Society$250KChabad of Sonoma County: $150KChabad of Sonoma County$150KAlvin Ailey Dance Foundation Inc: $125KAlvin Ailey Dance FoundationInc$125KThe Carnegie Hall Corporation: $75KThe Carnegie Hall Corporation$75KLang Lang International Music Foundation Inc: $50KLang Lang International MusicFoundation Inc$50KUniversity of Chicago: $50KUniversity of Chicago$50K

The largest 2024 recipient was University of California San Francisco Foundation ($9.7M). Together the top 10 received $17.4M.

Grant Size Distribution

58 grants across all recorded years

22<$50K10$50–100K9$100–250K1$250–500K3$500K–1M6$1–5M7$5M+

The most common grant size was under $50K: 22 grants of 58 (38%).

Geographic Focus

Where this funder awards grants

In 2024, California recipients received 91% of grant dollars and New York recipients received 8%. The reported shares for New Jersey, Illinois, and Connecticut were each 0%. These figures are rounded.

Grant Distribution by State

11states

Share of 2024 grant dollars across all 20 itemized grants.

Cities

New YorkSan FranciscoWashingtonBerkeleyAnn ArborMontgomeryAtlantaChicagoCliffside ParkDavisDenverIthacaLakewoodNew HavenOaklandOrlandoRiverdaleRye BrookSanta RosaSonoma

Is The Weill Family Foundation open to new grantees?

55%

first-time grantees, 2024

In 2024, 11 of 20 grantees (55%) were first-time recipients. With only 20 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $282K; repeat grants $1.6M. How we count

Medians: $50K first-time, $75K repeat.

  • 35% of 2024 grantees were also funded in 2023. Method
  • Giving grew 162% from 2021 to 2024. Method
  • In 2024 it paid out 93% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$5M$10M$15M$20M7 grants2020 7 grants2021 14 grants2022 10 grants2023 20 grants2024

From 2020 to 2024, annual grant giving ranged from $6.7M (2021) to $19.6M (2023). In 2024 it made 20 grants totaling $17.6M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
University of California San Francisco Foundation San Francisco, CASatisfaction of Pledge$9,653,607
University of California Berkeley Foundation Berkeley, CA$3,653,607 Satisfaction of Pledge$3,753,607
Uc Davis Foundation Davis, CASatisfaction of Pledge$2,500,000
NAF New York, NYSatisfaction of Pledge$800,000
New York Historical Society New York, NYGeneral Charitable Needs$250,000
Chabad of Sonoma County Santa Rosa, CAGeneral Charitable Needs$150,000
Alvin Ailey Dance Foundation Inc New York, NYGeneral Charitable Needs$125,000
The Carnegie Hall Corporation New York, NYGeneral Charitable Needs$75,000
Lang Lang International Music Foundation Inc Cliffside Park, NJGeneral Charitable Needs$50,000
University of Chicago Chicago, ILGeneral Charitable Needs$50,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$390,222,484$49,869,389$19,133,900$17,637,21420$17,921,504$29,135,211$19,297,748
2023$359,486,995$4,817,852$20,876,255$19,620,00010$19,955,438$10,295,531$18,444,855
2022$375,545,398$8,335,073$18,828,343$18,100,00014$18,150,113$10,341,725$19,474,457
2021$386,038,668$58,334,568$7,919,035$6,736,4577$6,804,097$46,703,442$18,771,916
2020$335,623,135$26,090,313$9,540,147$9,004,0247—$15,300,993$15,224,020

Under IRS private-foundation payout rules, The Weill Family Foundation reported a distributable amount of $19.3M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

The foundation’s own mission is not stated here. Its 2024 grants show support for a range of organizations. For example, NAF says it brings education, business, and community leaders together to transform the high school experience. The New-York Historical Society describes its mission as collecting, preserving, and interpreting materials relevant to U.S. and New York history. The Alvin Ailey Dance Foundation says it provides dance performances, training and education, and community programs.

Other 2024 recipients included Carnegie Hall, which describes its mission as presenting music and bringing its transformative power to a broad audience; the American Conservatory Theater Foundation, which says it brings artists and communities together through theater, training, and education; and Project Sunshine, which says it addresses the psychosocial and developmental needs of pediatric patients and their families through play-based engagement and recreation.

Grantmaking

In 2024, the foundation reported 20 grants totaling $17,637,214. Grant amounts ranged from $5,000 to $9,653,607, with a median of $50,000. The largest grants included $9,653,607 to the University of California San Francisco Foundation, $3,753,607 to the University of California Berkeley Foundation, and $2,500,000 to the UC Davis Foundation; each was described as satisfaction of a pledge. Other grants included $800,000 to NAF, $250,000 to the New York Historical Society, $125,000 to the Alvin Ailey Dance Foundation, and $75,000 to Carnegie Hall.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Sanford Weill as chairman, CEO, and director; Joan Weill as vice chairman and director; Michael Masin as secretary and director; and Jessica Bibliowicz as president and director. Other directors listed are Tommy Bibliowicz, David Bibliowicz, Marc Weill, Viju Rajan, and Laurel Sri-Jayantha. Michael Freedman is listed as treasurer, director, and investment committee member.

The Weill Family Foundation is led by Sanford Weill, Chairman, CEO & Director since 2024 (on filings since 2020); 4 of 13 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • Sanford Weill

    Chairman, CEO & Director

    Chairman, Treasurer & Director → Chairman, CEO & Director, 2024

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Jessica Bibliowicz

    President & Director

    Director → President & Director, 2024

    On filings since 2020

    1 hr/week

    No compensation reported

  • Michael Masin

    Secretary & Director

    On filings since 2020

    1 hr/week

    $25K (2024)

  • Marc Tessier-Lavigne

    Director

    New on the 2024 filing

    1 hr/week

    $25K (2024)

  • Mark Schlissel

    Director

    New on the 2024 filing

    1 hr/week

    $25K (2024)

  • Paul Alivisatos

    Director

    New on the 2024 filing

    1 hr/week

    $25K (2024)

  • David Bibliowicz

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Joan Weill

    Vice Chairman & Director

    President & Director → Vice Chairman & Director, 2024

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Michael Freedman

    Treasurer, Director & Inv Committee

    Chief Investment Officer & Director → Treasurer, Director & Inv Committee, 2024

    On filings since 2020

    1 hr/week

    No compensation reported

  • Tommy Bibliowicz

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Marc Weill

    Vice Chairman & Director

    Director → Vice Chairman & Director, 2024

    On filings since 2021

    1 hr/week

    No compensation reported

  • Viju Rajan

    Director & Audit Committee

    On filings since 2021

    8 hrs/week

    No compensation reported

  • Laurel Sri-Jayantha

    Director

    New on the 2024 filing

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Arthur Mahon (2020–2023) — Assistant Secretary, Assistant Treasurer & Director

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Michael Masin — Secretary, Director: $25KMichael MasinSecretary, Director$25KDr Paul Alivisatos — Director: $25KDr Paul AlivisatosDirector$25KDr Mark Schlissel — Director: $25KDr Mark SchlisselDirector$25KDr Marc Tessier-Lavigne — Director: $25KDr Marc Tessier-LavigneDirector$25K

The highest reported compensation on the 2024 filing was $25K, to Michael Masin (Secretary, Director). 4 officers or directors reported compensation on that filing.

Frequently asked questions about The Weill Family Foundation

How much does The Weill Family Foundation give each year?

The Weill Family Foundation gave $17.6M across 20 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $19.6M across 10 grants.

What is The Weill Family Foundation's typical grant size?

The Weill Family Foundation's median grant in 2024 was $50,000, and its average grant was $881,861, across 20 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Weill Family Foundation that year got $282K on average.

Where does The Weill Family Foundation give grants?

The Weill Family Foundation gives mostly in California: 91% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was New York (8%). The most frequent recipient cities were New York, NY (8 grants) and San Francisco, CA (3 grants).

Does The Weill Family Foundation give general operating support?

Yes: 80% of The Weill Family Foundation's 2024 grants with a stated purpose (16 of 20) were for general or operating support, per its 2024 IRS Form 990-PF. Recurring purposes include "Satisfaction of Pledge" (3 grants).

Who are The Weill Family Foundation's largest grantees?

The Weill Family Foundation's largest 2024 grantees include University of California San Francisco Foundation ($9,653,607), University of California Berkeley Foundation ($3,753,607) and Uc Davis Foundation ($2,500,000), according to its 2024 IRS Form 990-PF. Together they received 90% of its itemized 2024 grant dollars.

How large is The Weill Family Foundation?

The Weill Family Foundation reported $390.2M in total assets on its 2024 IRS Form 990-PF. It paid out $17.9M in qualifying distributions that year, against a required minimum of $19.3M (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.

What does The Weill Family Foundation fund?

The foundation’s own mission is not stated here. Its 2024 grants show support for a range of organizations. For example, NAF says it brings education, business, and community leaders together to transform the high school experience. See mission & focus areas ↑

How do I apply for a grant from The Weill Family Foundation?

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The Weill Family Foundation's EIN?

The Weill Family Foundation's EIN (Employer Identification Number) is 13-6223609. IRS Form 990 filing data is available on this page for 2020–2024.

Does The Weill Family Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). The Weill Family Foundation funder profile. GrantGraph. Retrieved October 21, 2026, from https://grantable.co/funders/the-weill-family-foundation-morg_dc6c9a8fcadf484bb0461cb8225b8031

BibTeX
@misc{grantable_136223609_2026,
  author       = {{Grantable}},
  title        = {{The Weill Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-weill-family-foundation-morg_dc6c9a8fcadf484bb0461cb8225b8031},
  note         = {Accessed 2026-10-21. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from The Weill Family 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.

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