Before you apply to Christy and John Mack Foundation
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
Private Foundation
CHRISTY AND JOHN MACK FOUNDATION
CHRISTY AND JOHN MACK FOUNDATION is a Private Foundation headquartered in PURCHASE, NY. Financial data from the 2025 filing: $9.4M revenue, $3.9M expenses, $2.3M total assets. IRS filings disclose 42 grants awarded by this foundation, totaling roughly $24.1M.
EIN: 133746731
PURCHASE, NY
Latest filing: 2025
Total Revenue$9.4M
Total Expenses$3.9M
Total Assets$2.3M
Grants Given42
Grant Total$24.1M
Filing Years2020–2025
Sample Grants Given
HEALTHY US COLLABORATIVE INC
GENERAL PURPOSE OR EDUCATIONAL
$3,030,000
MICROSOCIETY INC
GENERAL PURPOSE OR EDUCATIONAL
$582,000
FAIR PLAY
GENERAL PURPOSE OR EDUCATIONAL
$250,000
SEA CORPS MARITIME GROUP
GENERAL PURPOSE OR EDUCATIONAL
$20,000
HEALTHY US COLLABORATIVE INC
GENERAL PURPOSE OR EDUCATIONAL
$3,800,000
Showing up to 5 of 42 total records — full history available with membership.
Officers & Directors
PRESIDENT
Christy K Mack
DIRECTOR
John J Mack
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $9.4M | $3.9M | $2.3M |
| 2024 | $7.2M | $5.1M | $2.4M |
| 2023 | $7.2M | $3.7M | $2.6M |
| 2022 | $9.7M | $7.1M | $1.5M |
| 2020 | $4.1M | $4.5M | $2.9M |
Between 2020 and 2025, reported annual revenue grew from $4.1M to $9.4M (+128%), with total assets most recently reported at $2.3M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in CA, DC, IL, KY, MA, MN, and 4 other states.
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Full geographic grant map with state-by-state breakdown available with membership.