Jerome Lyle Rappaport Charitable
Jerome Lyle Rappaport Charitable is a private foundation based in Burlington, Massachusetts. The Rappaport Foundation describes its work as partnering with Boston institutions to nurture emerging leaders in public policy, neurodegenerative disease, mental health, and the arts.
Jerome Lyle Rappaport Charitable at a glance
In short: Jerome Lyle Rappaport Charitable gave $10.7M across 31 grants in 2024 (avg $345K), mostly in Massachusetts. 50% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $10,690,605
- +259.6% vs 2023
- Grants made (2024)
- 31
- +6.9% vs 2023
- Average grant
- $344,858
- +236.4% vs 2023
- Median grant
- $7,500
- Total assets
- $80,257,607
- -18.9% vs 2023
- New grantees (estimate)
- 50% first-time grantees (15 of 30, 2024)
- Primary geography
- Massachusetts (100% 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 Jerome Lyle Rappaport Charitable
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds; it says contributions are made only to preselected charitable organizations.
- Contact
Mailing address: 1700 District Avenue No 310, Burlington, MA 01803-5231
Phone: (617) 878-7755
Website: https://www.rappaportfoundation.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Jerome Lyle Rappaport Charitable funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Massachusetts General Hospital ($9.1M across 2 grants). Together the top 10 received $10.6M.
Grant Size Distribution
90 grants across all recorded years
The most common grant size was under $50K: 66 grants of 90 (73%).
Geographic Focus
Where this funder awards grants
The foundation’s website describes a focus on the Boston region. Its 2024 grant list includes organizations in Massachusetts and grants to organizations in California and Ohio. The filing’s state-share summary reports 100% of grant dollars going to Massachusetts, which does not align with those out-of-state grants in the itemized list.
Grant Distribution by State
Share of 2024 grant dollars across all 31 itemized grants.
States
Cities
Is Jerome Lyle Rappaport Charitable open to new grantees?
50%
first-time grantees, 2024
In 2024, 15 of 30 grantees (50%) were first-time recipients. First grants averaged $8K; repeat grants $705K. How we count
Medians: $4K first-time, $10K repeat.
- 33% of 2024 grantees were also funded in 2023. Method
- Giving grew 676% from 2021 to 2024. Method
- In 2024 it paid out 186% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2024). 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 2021 to 2024, annual grant giving ranged from $537K (2022) to $10.7M (2024). In 2024 it made 31 grants totaling $10.7M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Massachusetts General Hospital Boston, MA | Medical Support | $9,100,000 |
| McLean Hospital Belmont, MA | Medical Support | $768,733 |
| Alzheimers Disease Research Foundation Wellesley Hills, MA | Medical Support | $250,000 |
| The Valedictorian Project Watertown, MA | Education Support | $228,000 |
| Harvard University Cambridge, MA | Medical Support | $116,000 |
| Boston College Chestnut Hill, MA | Education Support | $50,000 |
| Decordova Museum Lincoln, MA | Education Support | $38,372 |
| Massachusetts General Hospital Boston, MA | Medical Support | $15,000 |
| Temple Kerem Shalom Concord, MA | Religious Support | $15,000 |
| Fresno State Vargas Dreamers Fund Fresno, CA | Education Support | $10,000 |
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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 | $80,257,607 | $6,172,802 | $11,842,507 | $10,690,605 | 31 | $11,304,036 | $6,263,677 | $6,089,130 |
| 2023 | $98,918,971 | $65,459,767 | $3,867,354 | $2,973,112 | 29 | $3,603,983 | $2,796,396 | $4,713,476 |
| 2022 | $37,542,730 | $390,393 | $813,164 | $537,005 | 9 | $684,593 | $261,822 | $617,259 |
| 2021 | $38,170,165 | $2,183,374 | $2,173,078 | $1,377,872 | 21 | — | $985,797 | $2,710,182 |
Under IRS private-foundation payout rules, Jerome Lyle Rappaport Charitable reported a distributable amount of $6.1M 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 Phyllis and Jerome Lyle Rappaport Foundation says it aims to create a “ripple effect of positive change” by supporting leaders and collaborative work in the Boston region. Its website identifies public policy, medical research, contemporary art and music, and education and emerging leaders as areas of work. In medical research, it describes partnerships with Brigham and Women’s Hospital, Mass General, and McLean Hospital to support promising scientists studying neurodegenerative disease and mental illness.
The 2024 grants show support for medical, educational, and religious purposes, including hospitals, research organizations, schools, and cultural or community organizations. Among the grantees’ own stated missions, the Alzheimer’s Disease Research Foundation says it funds research aimed at preventing, slowing, or reversing Alzheimer’s disease; The Valedictorian Project says its mentoring relationships support high-achieving students from urban schools and address the education-to-employment gap; and Artists for Humanity says it uses mentorship and paid professional experiences to help teens build their futures.
Grantmaking
In filing year 2024, the foundation reported 31 grants totaling $10,690,605. Grant amounts ranged from $500 to $9,100,000, with a median of $7,500. The largest grants included $9,100,000 to Massachusetts General Hospital for medical support, $768,733 to McLean Hospital for medical support, and $250,000 to the Alzheimer’s Disease Research Foundation for medical support. Other notable grants included $228,000 to The Valedictorian Project for education support, $116,000 to Harvard University for medical support, and $50,000 to Boston College for education support.
The 2024 list also includes grants to DeCordova Museum, Temple Kerem Shalom, Fresno State Vargas Dreamers Fund, Cleveland Clinic, and other organizations. The foundation stated on its 2023 filing that it makes contributions only to preselected charitable organizations described under IRC Section 501(c)(3) and does not accept unsolicited requests.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Phyllis E. Rappaport, James W. Rappaport, and Jon Rappaport as trustees; Timothy Medlock as executive director; and Janelle Cioffi as director.
Jerome Lyle Rappaport Charitable is led by Timothy Medlock, Executive Director on every filing since 2021; 2 of 5 officers listed in 2024 are compensated.
Officers on the 2024 filing
Timothy Medlock
Executive Director
On filings since 2021
16 hrs/week
$140K (2021) → $160K (2024)
Janelle Cioffi
Director
On filings since 2021
16 hrs/week
$53K (2021) → $75K (2024)
James W. Rappaport
Trustee
On filings since 2021
0.5 hrs/week
No compensation reported
Jon Rappaport
Trustee
On filings since 2021
0.5 hrs/week
No compensation reported
Phyllis E. Rappaport
Trustee
On filings since 2021
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2021–2024. "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 $160K, to Timothy Medlock (Executive Director). 2 officers or directors reported compensation on that filing.
Frequently asked questions about Jerome Lyle Rappaport Charitable
How much does Jerome Lyle Rappaport Charitable give each year?
Jerome Lyle Rappaport Charitable gave $10.7M across 31 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $3.0M across 29 grants.
What is Jerome Lyle Rappaport Charitable's typical grant size?
Jerome Lyle Rappaport Charitable's median grant in 2024 was $7,500, and its average grant was $344,858, across 31 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Jerome Lyle Rappaport Charitable that year got $8K on average.
Where does Jerome Lyle Rappaport Charitable give grants?
Jerome Lyle Rappaport Charitable gives mostly in Massachusetts: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boston, MA (9 grants), Cambridge, MA (2 grants), Fresno, CA (2 grants) and Braintree, MA (2 grants).
Does Jerome Lyle Rappaport Charitable give general operating support?
Not in 2024: none of the 31 grants with a stated purpose on Jerome Lyle Rappaport Charitable's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Medical Support" (11 grants), "Education Support" (9 grants) and "Religious Support" (4 grants).
Who are Jerome Lyle Rappaport Charitable's largest grantees?
Jerome Lyle Rappaport Charitable's largest 2024 grantees include Massachusetts General Hospital ($9,115,000 across 2 grants), McLean Hospital ($768,733) and Alzheimers Disease Research Foundation ($250,000), according to its 2024 IRS Form 990-PF. Together they received 95% of its itemized 2024 grant dollars.
How large is Jerome Lyle Rappaport Charitable?
Jerome Lyle Rappaport Charitable reported $80.3M in total assets on its 2024 IRS Form 990-PF. It paid out $11.3M in qualifying distributions that year, against a required minimum of $6.1M (roughly 5% of its investment assets).
What does Jerome Lyle Rappaport Charitable fund?
The Phyllis and Jerome Lyle Rappaport Foundation says it aims to create a “ripple effect of positive change” by supporting leaders and collaborative work in the Boston region. See mission & focus areas ↑
How do I apply for a grant from Jerome Lyle Rappaport Charitable?
The foundation does not accept unsolicited requests for funds; it says contributions are made only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Jerome Lyle Rappaport Charitable's EIN?
Jerome Lyle Rappaport Charitable's EIN (Employer Identification Number) is 31-1485041. IRS Form 990 filing data is available on this page for 2021–2024.
Does Jerome Lyle Rappaport Charitable 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
(5)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS August 15, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 16, 2026)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 13, 2024)
- IRS filings on file for fiscal years 2021–2024
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Cite this profile
Grantable. (2026). Jerome Lyle Rappaport Charitable funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/jerome-lyle-rappaport-charitable-morg_45fd34e290624cadb56e5cd0ab89b6cb
BibTeX
@misc{grantable_311485041_2026,
author = {{Grantable}},
title = {{Jerome Lyle Rappaport Charitable funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/jerome-lyle-rappaport-charitable-morg_45fd34e290624cadb56e5cd0ab89b6cb},
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 Jerome Lyle Rappaport Charitable'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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