The Stewart and Marlene Greenebaum
The Stewart and Marlene Greenebaum Family Foundation Inc. is a private foundation based in Baltimore, Maryland (with offices in Pikesville, MD). Established in 1998, the foundation operates as a 501(c)(3) organization designated for philanthropic grantmaking purposes.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$5.8M
-1.2% YoY
Annual Giving
$651K
-69.0% YoY
Grant Count
17
+21.4% YoY
Avg Grant Size
$38K
-74.4% YoY
Mission & Focus Areas
The foundation's grantmaking priorities focus on:
- Philanthropy, Voluntarism & Grantmaking
- Health Care
- Religion-Related causes
The foundation maintains a particular emphasis on education and medicine, with significant historical support for cancer research, treatment, and education initiatives.
Grantmaking
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in Maryland, New York, and Pennsylvania.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | Amount | Year |
|---|---|---|
| Total Assets | $5,820,953 | 2024 |
| Total Assets | $5,891,042 | 2023 |
| Total Giving | $651,455 | 2024 |
| Total Giving | $1,833,445 | 2023 |
| Total Revenues | $1,295,968 | 2023 |
| Total Expenses | $2,154,365 | 2023 |
| Investment Income | $242,598 | 2023 |
The foundation has no employees and carries no liabilities.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $5,820,953 | $5,891,042 | $6,749,439 |
| Revenue | $660,914 | $1,295,968 | $-4,439 |
| Expenses | $731,003 | $2,154,365 | $1,852,779 |
| Qualifying Distributions | $651,455 | $2,098,452 | $1,798,750 |
| Net Investment Income | $610,782 | $1,240,055 | $151,614 |
| Distributable Amount | $657,524 | $601,886 | $678,693 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
57 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Founders:
Stewart Greenebaum (1935–2017) – A prominent business and civic leader in Baltimore who worked in real estate development. He served as past Chairman of the University of Maryland Medical System and Chairman Emeritus of the Board of Advisors for the UM Institute of Human Virology. He passed away on December 10, 2017, at age 82.
Marlene Greenebaum (1938–2018) – Born Marlene Goodman, she was a breast cancer survivor who lived 28 years following her stage four breast cancer diagnosis in 1990. She passed away on December 23, 2018, at age 80.
The couple married in 1960 and were together for over 57 years. They had two children: Michael Greenebaum (President of Greenebaum Enterprises, Inc.) and Amy Greenebaum.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| AMY R BURWEN | V.P; ASST. SECR'T; ASST. T | — | — |
| MICHAEL I GREENEBAUM | PRESIDENT; SECR'T; TREAS., | 0.1 | — |
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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