Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment
The purpose of jewish big brothers & big sisters associaton of the greater boston endowment fund, inc. Is to insure the financial viability and strength of the jewish big brothers & big sisters association of greater boston by (I) establishing and managing an endowment fund to which individuals, corporations, partnership and all other entities can contribute in order to provide for the long term financial survival of the association, and (II) by making distributions of funds to the association for its general operating requirement as well as for its various special events and projects. Additionally to carry on any other charitable or educational endeavors within the meaning of section 501c (3) of the internal revenue code.
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment at a glance
In short: Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment gave $364K across 1 grant in 2025 (avg $364K), mostly in Massachusetts. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $363,795
- +57.5% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $363,795
- +57.5% vs 2024
- Median grant
- $363,795
- Total assets
- $9,160,768
- +9.9% vs 2024
- Primary geography
- Massachusetts (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Jewish Big Brother and Big Sister Association of Greater Boston ($364K).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $250–500K range: 3 grants of 5 (60%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment gives
- Giving held roughly steady from 2022 to 2025 (+18%). Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $200K (2019) to $364K (2025). In 2025 it made 1 grant totaling $364K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jewish Big Brother and Big Sister Association of Greater Boston Waltham, MA | Program Support | $363,795 |
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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 | $9,160,768 | $654,580 | $734,779 | $363,795 | 1 | $491,020 |
| 2024 | $8,335,204 | $159,776 | $584,484 | $231,020 | 1 | $56,926 |
| 2023 | $7,476,894 | $232,826 | $619,325 | $297,979 | 1 | $61,601 |
| 2022 | $6,962,635 | $371,408 | $625,045 | $308,591 | 1 | $268,676 |
| 2021 | $8,167,883 | $1,019,125 | $590,634 | $230,914 | 1 | $862,346 |
| 2020 | $7,182,553 | $686,180 | $595,809 | $255,788 | 1 | $99,171 |
| 2019 | $6,925,107 | $990,751 | $523,288 | $199,522 | 1 | $202,502 |
About Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment
Based on IRS filings
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment is a public charity focused on Youth Development, based in Waltham, MA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $9.2M in total assets. In 2025, it awarded 1 grant totaling $364K. Net investment income was $491K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment is led by Joseph Morgart, Chairman, Clerk & Treasurer since 2025 (on filings since 2019); none of the 10 officers listed in 2025 report compensation.
Officers on the 2025 filing
Joseph Morgart
Chairman, Clerk & Treasurer
Board Chair → Chairman, Clerk & Treasurer, 2025
On filings since 2019
2 hrs/week
No compensation reported
Jeffrey Savit
Former Ex-Officio
President & CEO → Ex-Officio, 2023
Ex-Officio → Former Ex-Officio, 2025
On filings since 2019
1 hr/week
No compensation reported
Karen Sisselman
Board Member
Director → Board Member, 2025
On filings since 2019
1 hr/week
No compensation reported
Jack Kadis
Board Member
Director → Board Member, 2025
On filings since 2020
1 hr/week
No compensation reported
Peter Antoszyk
Board Member
Director → Board Member, 2025
On filings since 2021
1 hr/week
No compensation reported
Stephen Rosen
Board Member
Director → Board Member, 2025
On filings since 2022
1 hr/week
No compensation reported
Ben Marsh
Board Member
Director → Board Member, 2025
On filings since 2024
1 hr/week
No compensation reported
Allison Hirsch
Board Member
New on the 2025 filing
1 hr/week
No compensation reported
Lauren Korn
Ex-Officio
New on the 2025 filing
1 hr/week
No compensation reported
Marc Rubenstein
Board Member
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (10)
- Former: Allen Sheldon (2019–2024) — Director
- Former: Carolynn Levy (2019–2024) — Director
- Former: David Bamel (2019–2024) — Director
- Former: Larry Green (2019–2024) — Board Clerk & Treasurer
- Former: Bob Haber (2024) — Director
- Former: Elizabeth Jacobs (2019–2023) — Director
- Former: Robert Haber (2019–2023) — Director
- Former: Harold Kotler (2019) — Treasurer
- Former: Harvey Lowell (2019) — Former President & CEO
- Former: Kimberlee Schumacher (2019) — President & CEO
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 Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment
How much does Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment give each year?
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment gave $364K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $231K across 1 grant.
How large is Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment?
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment reported $9.2M in total assets on its 2025 IRS Form 990. Its revenue that year was $655K.
What is Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment?
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment is a public charity focused on Youth Development, based in Waltham, MA. It holds $9.2M in total assets as of 2025.
Where does Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment operate?
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment has awarded grants in Massachusetts.
What is Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment's EIN?
Jewish Big Brother & Big Sister Assoc of Greater Boston Endowment's EIN (Employer Identification Number) is 22-3283364. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS April 23, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS August 11, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS July 6, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS March 7, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 21, 2025)
- Added Form 990 for fiscal year 2019 (received by the IRS March 2, 2020)
- Added Form 990 for fiscal year 2025 (received by the IRS May 20, 2026)
- IRS filings on file for fiscal years 2020–2024
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