Endowment / Foundation

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The Greenbaum Foundation

The Greenbaum Foundation is a not-for-profit organization founded in 1999 in West Hollywood, California. It offers philanthropic services, including...

The Greenbaum Foundation

The Greenbaum Foundation is a not-for-profit organization founded in 1999 in West Hollywood, California. It offers philanthropic services, including initiatives for saving lives, ending suffering, and environmental conservation. The foundation has made one investment, in MeliBio, as part of their Seed VC - IV on November 29, 2022, and has one portfolio exit, MeliBio, on May 27, 2025.

General information

Firm type

Family Foundation

Year founded

1992

Location

Region

North America

Country

United States

City

New York

Corporate office

New York, NY, United States

Additional offices

West Hollywood, CA, United States

Principals

Michele Greenbaum

President

Sector focus

Healthcare ServicesEducationReal EstatePhilanthropy

Frequently asked questions

Who founded The Greenbaum Foundation and what is the source of its wealth?

The foundation was established by Samuel J. Greenbaum, whose family fortune originated from a long-standing stake in Owens & Minor, a Fortune 500 distributor of medical and surgical supplies (per public record).

What is the foundation's primary geographic focus?

The Greenbaum Foundation maintains offices in New York and West Hollywood, California, and its grantmaking appears concentrated in these two metropolitan areas (per the foundation's corporate filings).

Does The Greenbaum Foundation engage in impact investing or venture capital?

Public records suggest the foundation operates as a traditional grant-making charity, with no disclosed impact investing or venture capital program. Its focus is on healthcare, Jewish communal organizations, education, and arts institutions.

How is the foundation governed?

Samuel J. Greenbaum serves as chairman and Michele Greenbaum as president. No other officers or board members have been publicly identified from available records.

What size is The Greenbaum Foundation's asset base?

The foundation has not publicly disclosed its total assets or annual grant budget. Based on the family's known wealth profile, Altss estimates assets under management at under $1 billion (Altss estimate).

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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