The Weil Foundation
The Weil Foundation is a private foundation based in Tucson, Arizona. It makes grants to advance integrative medicine, primarily supporting medical schools and other nonprofit healthcare organizations.
The Weil Foundation at a glance
In short: The Weil Foundation gave $748K across 11 grants in 2024 (avg $68K), mostly in Arizona. 55% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $747,500
- -38.6% vs 2023
- Grants made (2024)
- 11
- -45.0% vs 2023
- Average grant
- $67,955
- +11.7% vs 2023
- Median grant
- $20,000
- Total assets
- $1,316,891
- -18.9% vs 2023
- New grantees (estimate)
- 55% first-time grantees (6 of 11, 2024; small sample)
- Primary geography
- Arizona (78% 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 Weil Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Its 2024 filing lists Christine Willett as the contact and specifies an application form with grant information and a budget; it says nonprofit health or educational organizations that fit the mission and strategic focus may apply. Proposals must explain how the proposed activity advances the foundation’s mission and current strategic focus.
- Review Cycle
- Proposals for the 2027 cycle must be received by January 31, 2027. The foundation says its board will evaluate proposals at its March 2027 meeting, with decisions expected in March or April 2027. Grants for that cycle are scheduled to be funded from July 1, 2027, through June 30, 2028.
- Deadline
- Proposals for the 2027 cycle must be received by January 31, 2027.
- Contact
Application contact: Christine Willett
Mailing address: C/O The Weil Foundation, PO Box 13006, Tucson, AZ 85732
Phone: (520) 647-7865
Website: https://weilfoundation.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
1 open opportunity from The Weil Foundation
Who The Weil Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was University of Arizona Fndn - Awcim ($553K). Together the top 10 received $743K.
Grant Size Distribution
77 grants across all recorded years
The most common grant size was under $50K: 69 grants of 77 (90%).
Geographic Focus
Where this funder awards grants
In 2024, 78% of grant dollars went to recipients listed in Arizona, 11% to New York, 5% to Massachusetts, 3% to Wisconsin, and 1% to Florida.
Grant Distribution by State
Share of 2024 grant dollars across all 11 itemized grants.
States
Cities
Is The Weil Foundation open to new grantees?
55%
first-time grantees, 2024
In 2024, 6 of 11 grantees (55%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $20K; repeat grants $125K. How we count
Medians: $20K first-time, $20K repeat.
- 45% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (−16%). Method
- In 2024 it paid out well above its IRS minimum distribution (the 5% rule). 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
From 2020 to 2024, annual grant giving ranged from $707K (2020) to $1.8M (2022). In 2024 it made 11 grants totaling $748K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Arizona Fndn - Awcim Tucson, AZ | Education | $553,000 |
| The Trustees of Colombia University New York, NY | Education | $40,000 |
| Universidade Eduardo Mondiane Mozambique, AZ | Education | $28,500 |
| Weill Medical College of Cornell New York, NY | Education | $25,000 |
| Integrative Center for Group Med Lawrence, MA | Education | $20,000 |
| Zucker School of Medicine Hofstra Hempstead, NY | Education | $20,000 |
| Osher CT for Integrative Health Uw Milwaukee, WI | Education | $20,000 |
| Harvard Medical School Boston, MA | Education | $20,000 |
| Memorial Foundation Inc Hollywood, FL | Education | $8,500 |
| Ucsd Pediatrics Preventive & Family San Diego, CA | Education | $7,500 |
Ready to take the next step with The Weil Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $1,316,891 | $513,165 | $821,921 | $747,500 | 11 | $785,778 | $21,928 | $58,499 |
| 2023 | $1,624,730 | $1,101,118 | $1,313,772 | $1,216,790 | 20 | $1,262,939 | $31,309 | $39,580 |
| 2022 | $1,821,701 | $1,236,451 | $1,832,186 | $1,771,299 | 17 | $1,832,186 | $8,724 | $84,989 |
| 2021 | $2,417,436 | $1,895,509 | $957,124 | $888,522 | 12 | $957,124 | $657 | $68,803 |
| 2020 | $1,479,051 | $1,496,653 | $765,902 | $706,500 | 17 | — | $1,403 | $12,637 |
Under IRS private-foundation payout rules, The Weil Foundation reported a distributable amount of $58K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The foundation says it seeks to advance integrative medicine and believes that training physicians in integrative medicine can help transform medical education and healthcare. Its current funding strategy focuses on reform of medical education. The foundation’s website describes integrative medicine as including prevention, nutrition, lifestyle modifications, stress reduction, mind-body approaches, and alternative treatments.
The foundation says it makes grants primarily to medical schools and other nonprofit healthcare organizations. Its 2024 filing states that nonprofit health or educational organizations fitting its mission and strategic focus may apply. Among 2024 recipients, Memorial Foundation Inc. says its mission is to underwrite equipment, programs, or services provided by South Broward Hospital District and to fund educational, recreational, and therapeutic programs for patients and families.
Grantmaking
In filing year 2024, the foundation made 11 grants totaling $747,500. Grant amounts ranged from $5,000 to $553,000, with a median of $20,000. The largest award was $553,000 to University of Arizona Fndn - AWCIM for education. Other notable grants included $40,000 to The Trustees of Colombia University, $28,500 to Universidade Eduardo Mondiane, and $25,000 to Weill Medical College of Cornell; each was listed for education.
The foundation’s website lists grants awarded in 2025 and 2026, including awards to the University of Arizona, medical schools, Osher Centers, and other healthcare organizations. Its grant guidelines describe support for integrative medicine education and programs, including residency training. The grant program listing gives an award range of up to $300,000 and describes awards as one-year grants, with recipients able to apply for additional one-year grants in subsequent years.
Leadership & Key People
Leadership team and compensation from IRS filings
The foundation’s website identifies Andrew Weil, M.D., as chair; Richard Baxter as secretary and treasurer/vice-chair; and Donald Abrams, M.D., as executive director. It also lists Tara DeMarco, Elliott Donnelley, Tara Lemmey, Humberto S. Lopez, Daria Myers, Adele Simmons, Paul Stamets, and Diana Weil among its board members.
The Weil Foundation is led by Andrew Weil MD, Chairman on every filing since 2020; 1 of 11 officers listed in 2024 is compensated.
Officers on the 2024 filing
Andrew Weil MD
Chairman
On filings since 2020
0.3 hrs/week
No compensation reported
Adele Simmons
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Daria Myers
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Humberto Lopez
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Diana Weil
Director
New on the 2024 filing
0.3 hrs/week
No compensation reported
Elliott Donnelley
Director
New on the 2024 filing
0.3 hrs/week
No compensation reported
Paul Stamets
Director
New on the 2024 filing
0.3 hrs/week
No compensation reported
Tara Demarco
Director
New on the 2024 filing
0.3 hrs/week
No compensation reported
Tara Lemmey
Director
New on the 2024 filing
0.3 hrs/week
No compensation reported
Donald Abrams Msd
Executive Di
Director → Executive Di, 2024
On filings since 2022
0.5 hrs/week
$36K (2024)
Richard Baxter
Secretary
On filings since 2020
0.3 hrs/week
No compensation reported
Former officers (4)
- Former: James Dalen MD (2020–2023) — Executive Di
- Former: Janet Lang (2020–2023) — Director
- Former: Donald Abrams MD (2020–2021) — Director
- Former: Nancy Olmstead (2020) — Recording Se
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
The highest reported compensation on the 2024 filing was $36K, to Donald Abrams MSD (Executive Di).
Frequently asked questions about The Weil Foundation
How much does The Weil Foundation give each year?
The Weil Foundation gave $748K across 11 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.2M across 20 grants.
What is The Weil Foundation's typical grant size?
The Weil Foundation's median grant in 2024 was $20,000, and its average grant was $67,955, across 11 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Weil Foundation that year got $20K on average.
Where does The Weil Foundation give grants?
The Weil Foundation gives mostly in Arizona: 78% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were New York (11%) and Massachusetts (5%). The most frequent recipient cities were New York, NY (2 grants).
Does The Weil Foundation give general operating support?
Not in 2024: none of the 11 grants with a stated purpose on The Weil Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Education" (11 grants).
Who are The Weil Foundation's largest grantees?
The Weil Foundation's largest 2024 grantees include University of Arizona Fndn - Awcim ($553,000), The Trustees of Colombia University ($40,000) and Universidade Eduardo Mondiane ($28,500), according to its 2024 IRS Form 990-PF. Together they received 83% of its itemized 2024 grant dollars.
How large is The Weil Foundation?
The Weil Foundation reported $1.3M in total assets on its 2024 IRS Form 990-PF. It paid out $786K in qualifying distributions that year, against a required minimum of $58K (roughly 5% of its investment assets).
What does The Weil Foundation fund?
The foundation says it seeks to advance integrative medicine and believes that training physicians in integrative medicine can help transform medical education and healthcare. Its current funding strategy focuses on reform of medical education. See mission & focus areas ↑
How do I apply for a grant from The Weil Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Weil Foundation's EIN?
The Weil Foundation's EIN (Employer Identification Number) is 86-1049023. IRS Form 990 filing data is available on this page for 2020–2024.
Does The Weil 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 October 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in The Weil Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). The Weil Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/the-weil-foundation-morg_b68e9f9fc38e4918996901ab6249029d
BibTeX
@misc{grantable_861049023_2026,
author = {{Grantable}},
title = {{The Weil Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-weil-foundation-morg_b68e9f9fc38e4918996901ab6249029d},
note = {Accessed 2026-10-15. 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 Weil 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.
The Weil Foundation down — hundreds of funders to go?