Woldenberg Family Foundation Inc
Woldenberg Family Foundation Inc is a private foundation based in Miami, Florida, and files Form 990-PF. Its 2025 filing reports grants to organizations in several states, including Florida, Washington, D.C., and New York.
Woldenberg Family Foundation Inc at a glance
In short: Woldenberg Family Foundation Inc gave $248K across 23 grants in 2025 (avg $11K), top state Florida. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $247,973
- +42.5% vs 2024
- Grants made (2025)
- 23
- +360.0% vs 2024
- Average grant
- $10,781
- -69.0% vs 2024
- Median grant
- $1,548
- Total assets
- $14,529,527
- -2.2% vs 2024
- Primary geography
- Florida (48% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Woldenberg Family Foundation Inc
- How to Apply
-
The 2025 filing says to send a letter stating the applicant’s name, address, tax-exempt status, purpose, requested amount, and term. The foundation states that it does not restrict giving to preselected organizations and lists no restrictions on awards. **Deadline:** None.
- Contact
Application contact: Mark Halpern
Mailing address: 290 Nw 165Th St Ph1, Miami, FL 33169
Phone: (305) 812-5446
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Woldenberg Family Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Mount Sinai Medical Center ($100K). Together the top 10 received $236K.
Grant Size Distribution
28 grants across all recorded years
The most common grant size was under $50K: 23 grants of 28 (82%).
Geographic Focus
Where this funder awards grants
In 2025, Florida recipients received 48% of grant dollars, recipients in Washington, D.C., received 24%, New York recipients received 21%, California recipients received 6%, and Connecticut recipients received 1%.
Grant Distribution by State
Share of 2025 grant dollars across all 23 itemized grants.
Cities
How Woldenberg Family Foundation Inc gives
- In 2025 it paid out 100% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2024 to 2025, annual grant giving ranged from $174K (2024) to $248K (2025). In 2025 it made 23 grants totaling $248K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mount Sinai Medical Center Miami Beach, FL | General Support | $100,000 |
| Hillel the Foundation for Jewish C Washington, DC | General Support | $60,000 |
| American Friends of Alyn Hospital New York, NY | General Support | $50,000 |
| Temple Beth Shalom Miami Beach, FL | General Support | $8,925 |
| Project New Born Aventura, FL | General Support | $5,000 |
| Congregation or Ami Calabasas, CA | General Support | $3,000 |
| Social Good Fund Richmond, CA | General Support | $2,500 |
| University of Hartford West Hartford, CT | General Support | $2,500 |
| Palm Spring Friends of Philharmonic Palm Desert, CA | General Support | $2,100 |
| Temple Sinai Jewish Community Cente Palm Desert, CA | General Support | $2,050 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $14,529,527 | $340,304 | $672,673 | $247,973 | 23 | $787,906 | $140,403 | $787,906 |
| 2024 | $14,861,896 | $15,258,709 | $396,813 | $174,000 | 5 | $516,806 | $176,401 | $516,806 |
Under IRS private-foundation payout rules, Woldenberg Family Foundation Inc reported a distributable amount of $788K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants included support for medical, educational, Jewish community, wildlife rescue, and environmental organizations. For example, American Friends of ALYN Hospital says it educates people in the U.S. about the ALYN-Woldenberg Family Hospital in Jerusalem and raises funds to support its work. Pelican Harbor Seabird Station says it rescues, rehabilitates, and releases native wildlife, while the Everglades Foundation says it works to restore and protect the Everglades through science, advocacy, and education.
Grantmaking
In 2025, the foundation reported 23 grants totaling $247,973. Grants ranged from $300 to $100,000, with a median of $1,548. The largest grants were $100,000 to Mount Sinai Medical Center, $60,000 to Hillel the Foundation for Jewish C, and $50,000 to American Friends of ALYN Hospital. The filing lists these grants as general support. Other reported recipients included Temple Beth Shalom ($8,925), Project New Born ($5,000), Congregation Or Ami ($3,000), and Social Good Fund ($2,500).
The grantees’ own descriptions indicate a range of organizational activities. Mount Sinai Medical Center’s recipient description refers to a self-insurance trust covering malpractice and general liability claims against the medical center. Milken Community School describes its work as operating a school teaching Jewish religious courses and standard subjects. Greater Miami Jewish Federation describes its mission as mobilizing resources to care for people in need and strengthen Jewish life.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Mark M Halpern as president and treasurer; Minette H Brown as vice president; and Andrew T Brown, Wendi J Brown, Valerie E Libutti, and Samuel J Halpern as directors.
Woldenberg Family Foundation Inc is led by Mark M. Halpern, President on every filing since 2024; all 6 officers listed in 2025 are compensated.
Officers on the 2025 filing
Mark M. Halpern
President
On filings since 2024
5 hrs/week
$40K (2024) → $79K (2025)
Andrew T. Brown
Director
On filings since 2024
1 hr/week
$3K (2024) → $4K (2025)
Samuel J. Halpern
Director
On filings since 2024
1 hr/week
$3K (2024) → $4K (2025)
Valerie E. Libutti
Director
On filings since 2024
1 hr/week
$3K (2024) → $4K (2025)
Wendi J. Brown
Director
On filings since 2024
1 hr/week
$3K (2024) → $4K (2025)
Minette H. Brown
Vice President
On filings since 2024
5 hrs/week
$40K (2024) → $79K (2025)
Data from IRS Form 990 filings, 2024–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $79K, to Mark M Halpern (President/Tr). 6 officers or directors reported compensation on that filing.
Frequently asked questions about Woldenberg Family Foundation Inc
How much does Woldenberg Family Foundation Inc give each year?
Woldenberg Family Foundation Inc gave $248K across 23 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $174K across 5 grants.
What is Woldenberg Family Foundation Inc's typical grant size?
Woldenberg Family Foundation Inc's median grant in 2025 was $1,548, and its average grant was $10,781, across 23 grants on its 2025 IRS Form 990-PF.
Where does Woldenberg Family Foundation Inc give grants?
Woldenberg Family Foundation Inc's top state is Florida, with 48% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were District of Columbia (24%) and New York (21%). The most frequent recipient cities were Miami Beach, FL (3 grants), Miami, FL (3 grants), New York, NY (2 grants) and Palm Desert, CA (2 grants).
Does Woldenberg Family Foundation Inc give general operating support?
Yes: 100% of Woldenberg Family Foundation Inc's 2025 grants with a stated purpose (23 of 23) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Woldenberg Family Foundation Inc's largest grantees?
Woldenberg Family Foundation Inc's largest 2025 grantees include Mount Sinai Medical Center ($100,000), Hillel the Foundation for Jewish C ($60,000) and American Friends of Alyn Hospital ($50,000), according to its 2025 IRS Form 990-PF. Together they received 85% of its itemized 2025 grant dollars.
How large is Woldenberg Family Foundation Inc?
Woldenberg Family Foundation Inc reported $14.5M in total assets on its 2025 IRS Form 990-PF. It paid out $788K in qualifying distributions that year, against a required minimum of $788K (roughly 5% of its investment assets).
What does Woldenberg Family Foundation Inc fund?
No mission statement for the foundation is provided. Its 2025 grants included support for medical, educational, Jewish community, wildlife rescue, and environmental organizations. See mission & focus areas ↑
How do I apply for a grant from Woldenberg Family Foundation Inc?
The 2025 filing says to send a letter stating the applicant’s name, address, tax-exempt status, purpose, requested amount, and term. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Woldenberg Family Foundation Inc's EIN?
Woldenberg Family Foundation Inc's EIN (Employer Identification Number) is 99-3079042. IRS Form 990 filing data is available on this page for 2024–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2024 (received by the IRS June 30, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
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Cite this profile
Grantable. (2026). Woldenberg Family Foundation Inc funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/woldenberg-family-foundation-inc-morg_136f35efeff24ad2bfa481fb4f455982
BibTeX
@misc{grantable_993079042_2026,
author = {{Grantable}},
title = {{Woldenberg Family Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/woldenberg-family-foundation-inc-morg_136f35efeff24ad2bfa481fb4f455982},
note = {Accessed 2026-10-18. 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 Woldenberg Family Foundation Inc'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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