Mary and George Herbert Zimmerman Foundation
EIN 38-1685880 · MI
Giving Profile
In 2025, Mary and George Herbert Zimmerman Foundation based in MI paid 60 grants totaling $343.6K to 59 organizations across 15 states. Individual grants ranged from $500 to $30.8K, with a median of $5K. Its largest recipients included LLirrf'O Inc (dba O'Ferrill Learning Center), Memorial Sloan-Kettering Cancer Center, and Corewell Health Foundation - Southeast Michigan. The foundation does not accept unsolicited applications — giving is by invitation only.
Foundation at a Glance
- Total assets
- $2,652,819
- Giving (latest yr)
- $343,593
- Filing year
- 2025
- Itemized grants
- 60
- Median grant
- $5K
- Recipients
- 59
- States reached
- 15
- Officers/trustees
- 13
- Unsolicited applications
- No — invitation only
Where the Money Goes
Top recipients
- LLirrf'O Inc (dba O'Ferrill Learning Center)$30,789
- Memorial Sloan-Kettering Cancer Center$16,571
- Corewell Health Foundation - Southeast Michigan$13,000
- Valley Churches United Missions$12,000
- Foundation on Faith Inc$10,289
Where grants went
- New York$64,173 · 10 grants
- Florida$55,709 · 4 grants
- Michigan$54,789 · 12 grants
- California$32,918 · 5 grants
- Connecticut$29,146 · 7 grants
- Texas$25,789 · 3 grants
Grants Paid (60)
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FAQFrequently Asked Questions
No. Mary and George Herbert Zimmerman Foundation does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.
Mary and George Herbert Zimmerman Foundation is classified as a Health funder. Hospitals, medical research, disease & disorder programs, and mental health. Its recent grants reached organizations across 15 states.
In its most recent filing, Mary and George Herbert Zimmerman Foundation reported 60 itemized grants totaling $343.6K. Individual grants ranged from $500 to $30.8K (median $5K).
Recent recipients include LLirrf'O Inc (dba O'Ferrill Learning Center), Memorial Sloan-Kettering Cancer Center, Corewell Health Foundation - Southeast Michigan, among 59 organizations in total. The full grant list is on this page.
Mary and George Herbert Zimmerman Foundation is a private foundation based in Michigan, per its IRS 990-PF filing.
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