Jack Joseph and Morton Mandel Supporting Foundation
The Jack Joseph and Morton Mandel Supporting Foundation is a public charity based in Cleveland, Ohio. Formed in 1981, it is a supporting foundation of the Jewish Federation of Cleveland, organized to carry out or support the Federation’s charitable, educational, and religious purposes and established to meet identified needs of Jewish and general communities.
Jack Joseph and Morton Mandel Supporting Foundation at a glance
In short: Jack Joseph and Morton Mandel Supporting Foundation gave $131.4M across 36 grants in 2025 (avg $3.6M), top state Ohio. 39% of 2025 grantees were new. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $131,385,553
- +88.7% vs 2024
- Grants made (2025)
- 36
- +63.6% vs 2024
- Average grant
- $3,649,599
- +15.3% vs 2024
- Median grant
- $922,500
- Total assets
- $3,348,099,726
- +4.6% vs 2024
- New grantees (estimate)
- 39% first-time grantees (14 of 36, 2025)
- Primary geography
- Ohio (45% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Jack Joseph and Morton Mandel Supporting Foundation
- Contact
Mailing address: 25701 Science Park Drive, Cleveland, OH 44122
Phone: (216) 593-2900
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Jack Joseph and Morton Mandel Supporting Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Jewish Federation of Cleveland ($40.0M). Together the top 10 received $116.6M.
Grant Size Distribution
127 grants across all recorded years
The most common grant size was in the $1–5M range: 36 grants of 127 (28%).
Geographic Focus
Where this funder awards grants
The 2025 grant dollars went primarily to recipients in Ohio (45%), New York (32%), Illinois (13%), and Washington, DC (7%); Florida accounted for 1%. These figures describe recipient-state shares, not necessarily the locations where grant-funded activities took place.
Grant Distribution by State
Share of 2025 grant dollars across all 36 itemized grants.
States
Cities
Is Jack Joseph and Morton Mandel Supporting Foundation open to new grantees?
39%
first-time grantees, 2025
In 2025, 14 of 36 grantees (39%) were first-time recipients. First grants averaged $2.2M; repeat grants $4.6M. How we count
Medians: $938K first-time, $748K repeat.
Estimate from itemized grant lists in IRS Form 990 filings (2019–2025). 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 2019 to 2025, annual grant giving ranged from $6.8M (2019) to $131.4M (2025). In 2025 it made 36 grants totaling $131.4M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jewish Federation of Cleveland Cleveland, OH | Commission on jewish continuity, mandel leadership excellence center, 2025 campaign for jewish needs, community security initiative, israel emergency relief, resource center for jewish education, capital support and housing sub, fund unfunded pension liability | $40,006,000 |
| Jewish Federations of North America Inc New York, NY | Jafi to support shinshinim, jafi planning and infrastructure development for the president's council, jafi ethiopian integration, israel emergency, jafi scholarships, jewish people policy institute, regrow israel | $28,518,900 |
| Secure Community Network Inc Chicago, IL | Security Operations and the Protecht Partnership | $17,000,000 |
| Bnai Brith Youth Organization Inc Washington, DC | Annual International Convention for Five Years | $9,000,000 |
| Musical Arts Association Cleveland, OH | Expanded Community Outreach | $9,000,000 |
| American Jewish Joint Distribution Committee New York, NY | Humanitarian Needs in Ukraine | $3,750,000 |
| Jerusalem Foundation Inc New York, NY | Scholarships and Renovations | $3,610,000 |
| Case Western Reserve University Cleveland, OH | Jack, joseph and morton mandel school of applied social sciences | $2,250,000 |
| Leading Edge Alliance Inc New York, NY | Support for the Jewish Talent Platform | $2,000,000 |
| Struggle to Save Ethiopian Jewry New York, NY | Operating Support | $1,500,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $3,348,099,726 | $168,250,145 | $154,787,179 | $131,385,553 | 36 | $167,628,198 |
| 2024 | $3,201,837,171 | $161,637,489 | $93,091,152 | $69,616,450 | 22 | $158,031,596 |
| 2023 | $3,087,154,462 | $105,136,555 | $72,321,965 | $48,802,379 | 21 | $104,640,266 |
| 2022 | $3,071,005,291 | $306,677,318 | $58,437,575 | $30,766,627 | 24 | $268,004,507 |
| 2021 | $3,137,744,612 | $304,643,754 | $44,155,308 | $24,250,630 | 24 | $304,378,823 |
| 2019 | $2,154,651,999 | $142,242,133 | $36,864,457 | $6,783,276 | 9 | $98,539,767 |
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The foundation states that it is organized and operated exclusively for charitable, educational, and religious purposes by conducting or supporting activities for the benefit of, or to carry out the purposes of, the Jewish Federation of Cleveland. Its filing describes its program as grants and expenses paid to organizations to further the Federation’s charitable, educational, and religious purposes.
The 2025 grants illustrate the range of organizations it supports. The Jewish Federation of Cleveland describes its mission as promoting the well-being, continuity, security, and unity of the Jewish community. The Jewish Federations of North America says it works to protect and enhance the well-being of Jews worldwide through a continental federation movement. Secure Community Network describes its work as building a comprehensive security shield for the Jewish community. Other recipients included arts, education, humanitarian, and community organizations; for example, the Cleveland Orchestra says it seeks to inspire and enrich lives through musical experiences, and an individual recipient Reserve University describes itself as a research-oriented university with strengths including social work.
The foundation’s filing says grantees are generally required to sign and return a grant award letter specifying the use and period of the grant and reporting requirements. Written reports are requested from grantees other than the Federation within 45 days after the grant period ends; site visits are conducted in selected cases. For grants to a U.S. charity that funds overseas projects, the foundation may recommend foreign charitable projects, but the U.S. organization makes the funding decisions.
Grantmaking
In filing year 2025, the foundation reported 36 grants totaling $131,385,553. Grant amounts ranged from $65,000 to $40,006,000, with a median of $922,500.
The largest 2025 grants included $40,006,000 to the Jewish Federation of Cleveland for programs and needs including Jewish continuity, leadership development, community security, Israel emergency relief, education, and capital support; $28,518,900 to the Jewish Federations of North America for initiatives including support for the Jewish Agency for Israel, emergency needs, scholarships, and Israel recovery; and $17,000,000 to Secure Community Network for security operations and the PROTECTH Partnership. Other large grants included $9,000,000 to B’nai B’rith Youth Organization for its annual international convention for five years, $9,000,000 to the Musical Arts Association for expanded community outreach, and $3,750,000 to the American Jewish Joint Distribution Committee for humanitarian needs in Ukraine.
The foundation also reported grants of $3,610,000 to the Jerusalem Foundation for scholarships and renovations, $2,250,000 to an individual recipient Reserve University for the Jack, Joseph and Morton Mandel School of Applied Social Sciences, $2,000,000 to Leading Edge Alliance for the Jewish Talent Platform, and $1,400,000 to the Cleveland Museum of Natural History for the Mandel Community Days program.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Stephen H. Hoffman as trustee and president; Dan A. Polster as trustee and vice president; and Erika B. Rudin-Luria, Jehuda Reinharz, and Charles Horowitz Ratner as trustees. Abigail Levin is listed as secretary. Kari Blumenthal is listed as treasurer as of March 19, 2025; Mozelle Jackson served as treasurer until that date. Kathryn Palus is listed as assistant treasurer, and Barry Reis served as assistant treasurer until January 3, 2025.
Jack Joseph and Morton Mandel Supporting Foundation is led by Stephen H. Hoffman See Sch O., Trustee & President on every filing since 2021; none of the 10 officers listed in 2025 report compensation.
Officers on the 2025 filing
Stephen H. Hoffman See Sch O.
Trustee & President
On filings since 2021
1.7 hrs/week
No compensation reported
Charles Horowitz Ratner
Trustee
On filings since 2019
0.2 hrs/week
No compensation reported
Dan A. Polster
Trustee & Vice President
Trustee → Trustee & Vice President, 2021
On filings since 2019
0.3 hrs/week
No compensation reported
Erika B. Rudin-Luria See Sch O.
Trustee
On filings since 2021
1.7 hrs/week
No compensation reported
Jehuda Reinharz See Sch O.
Trustee
On filings since 2021
0.3 hrs/week
No compensation reported
Barry Reis
Assistant Treasurer
Treasurer → *see Sch O, 2024
*see Sch O → Assistant Treasurer, 2025
On filings since 2019
0.7 hrs/week
No compensation reported
Kathryn Palus
Assistant Treasurer
On filings since 2021
20 hrs/week
No compensation reported
Mozelle Jackson
Treasurer
Assistant Treasurer → Treasurer, 2024
On filings since 2022
0.7 hrs/week
No compensation reported
Abigail Levin
Secretary
On filings since 2023
0.7 hrs/week
No compensation reported
Kari Blumenthal
Treasurer
New on the 2025 filing
0.7 hrs/week
No compensation reported
Former officers (10)
- Former: Hedy Milgrom (2019–2023) — Secretary
- Former: Barbara Mandel Zl (2019) — Trustee
- Former: Erika B. Rudin-Luria (2019) — Trustee
- Former: Harley Gross (2019) — Trustee
- Former: Jehuda Reinharz (2019) — Trustee
- Former: Morton L. Mandel Zl (2019) — Trustee & President
- Former: Nancy Hoffner (2019) — Assistant Treasurer
- Former: Penni Weinberg (2019) — Trustee · Filing note: Until 123118
- Former: Renee' Chelm (2019) — Trustee & Vice President
- Former: Stephen H. Hoffman (2019) — Trustee
Data from IRS Form 990 filings, 2019–2025. "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 Jack Joseph and Morton Mandel Supporting Foundation
How much does Jack Joseph and Morton Mandel Supporting Foundation give each year?
Jack Joseph and Morton Mandel Supporting Foundation gave $131.4M across 36 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $69.6M across 22 grants.
What is Jack Joseph and Morton Mandel Supporting Foundation's typical grant size?
Jack Joseph and Morton Mandel Supporting Foundation's median grant in 2025 was $922,500, and its average grant was $3,649,599, across 36 grants on its 2025 IRS Form 990. Organizations receiving their first grant from Jack Joseph and Morton Mandel Supporting Foundation that year got $2.2M on average.
Where does Jack Joseph and Morton Mandel Supporting Foundation give grants?
Jack Joseph and Morton Mandel Supporting Foundation's top state is Ohio, with 45% of the grant dollars itemized on its 2025 IRS Form 990. The next largest states were New York (32%) and Illinois (13%). The most frequent recipient cities were Cleveland, OH (13 grants) and New York, NY (9 grants).
Does Jack Joseph and Morton Mandel Supporting Foundation give general operating support?
Yes: 11% of Jack Joseph and Morton Mandel Supporting Foundation's 2025 grants with a stated purpose (4 of 36) were for general or operating support, per its 2025 IRS Form 990.
Who are Jack Joseph and Morton Mandel Supporting Foundation's largest grantees?
Jack Joseph and Morton Mandel Supporting Foundation's largest 2025 grantees include Jewish Federation of Cleveland ($40,006,000), Jewish Federations of North America Inc ($28,518,900) and Secure Community Network Inc ($17,000,000), according to its 2025 IRS Form 990. Together they received 65% of its itemized 2025 grant dollars.
How large is Jack Joseph and Morton Mandel Supporting Foundation?
Jack Joseph and Morton Mandel Supporting Foundation reported $3.3B in total assets on its 2025 IRS Form 990. Its revenue that year was $168.3M.
What does Jack Joseph and Morton Mandel Supporting Foundation fund?
The foundation states that it is organized and operated exclusively for charitable, educational, and religious purposes by conducting or supporting activities for the benefit of, or to carry out the purposes of, the Jewish Federation of Cleveland. See mission & focus areas ↑
How do I apply for a grant from Jack Joseph and Morton Mandel Supporting Foundation?
Jack Joseph and Morton Mandel Supporting Foundation has no public application process in the sources Grantable reviewed. Check mandelfoundation.org for current guidelines, or contact the foundation directly before submitting a request.
What is Jack Joseph and Morton Mandel Supporting Foundation's EIN?
Jack Joseph and Morton Mandel Supporting Foundation's EIN (Employer Identification Number) is 34-1350566. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990 filings. Research dossier generated October 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2019 (received by the IRS July 14, 2020)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 16, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 12, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 13, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2019–2024
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Cite this profile
Grantable. (2026). Jack Joseph and Morton Mandel Supporting Foundation funder profile. GrantGraph. Retrieved October 21, 2026, from https://grantable.co/funders/jack-joseph-and-morton-mandel-supporting-foundation-morg_33c856a792924e85a49540a4e58583e1
BibTeX
@misc{grantable_341350566_2026,
author = {{Grantable}},
title = {{Jack Joseph and Morton Mandel Supporting Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/jack-joseph-and-morton-mandel-supporting-foundation-morg_33c856a792924e85a49540a4e58583e1},
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 Jack Joseph and Morton Mandel Supporting 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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