Christy and John Mack Foundation

PURCHASE, NY EIN: 13-3746731

The Christy and John Mack Foundation is a private foundation established in 1993 in New York and Delaware. Based in Purchase, NY, the foundation is a 501(c)(3) tax-exempt organization that has been tax-exempt since January 1994. The foundation was founded by Christy and John Mack.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$2.4M

-9.1% YoY

Annual Giving

$5.0M

+36.0% YoY

Grant Count

-50.0% YoY

Avg Grant Size

$1.2M

+172.1% YoY

Under IRS private-foundation payout rules, Christy and John Mack Foundation reported a distributable amount of $573K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's giving priorities include:

Hospitals
Education
The arts, including public television
Healthcare programs
Immigration nonprofits
Free clinics and medical equipment

Grantmaking

Grant Range

$638,800

Average Grant

$638,800

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in:

New York
Pennsylvania
District of Columbia

Grant Distribution by State

District of Columbia $10.4M (42%)

New York $6.2M (25%)

Minnesota $2.5M (10%)

California $2.5M (10%)

Pennsylvania $1.1M (4%)

South Carolina $1.0M (4%)

Massachusetts $425K (2%)

Kentucky $300K (1%)

+3 more states

States

California District of Columbia Illinois Kentucky Massachusetts Minnesota North Carolina New York Pennsylvania South Carolina Virginia

Cities

Albert LeaAlexandriaBostonBrooklynChapel HillChicagoCovingtonDurhamHampsteadLos AngelesNew YorkPhiladelphiaSheldonWashingtonWilmington

Financial History

Multi-year comparison from IRS filings

Assets & Revenue (2024):

Total assets: $2,377,337
Total revenue: $7,150,000
Total expenses: $5,070,000
Total liabilities: $0

Assets & Revenue (2023):

Total assets: $2,614,335
Total revenues: $7,187,008
Total expenses: $3,726,538
Total grants, contributions, etc.: $3,622,983
Investment income and dividends: $104,480

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$2,377,337	$2,614,335	$1,548,375
Revenue	$7,152,411	$7,187,008	$9,668,598
Expenses	$5,070,672	$3,726,538	$7,072,741
Qualifying Distributions	$4,986,336	$3,667,769	$7,032,371
Net Investment Income	$2,123,364	$3,558,144	$4,737,523
Distributable Amount	$573,396	$612,361	$489,867

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2024

Grant Size Distribution

55 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Healthy Us Collaborative Inc ($3,800,000), Nyc Police Foundation ($995,445), Microsociety Inc ($182,000).

Recipient	Purpose	Amount
MICROSOCIETY INC PHILADELPHIA, PA	GENERAL PURPOSE OR EDUCATIONAL	$182,000
HEALTHY US COLLABORATIVE INC WASHINGTON, DC	GENERAL PURPOSE OR EDUCATIONAL	$3,800,000
NYC POLICE FOUNDATION NEW YORK, NY	GENERAL PURPOSE OR EDUCATIONAL	$4,555
NYC POLICE FOUNDATION NEW YORK, NY	GENERAL PURPOSE OR EDUCATIONALDESCRIPTION OF CONTRIBUTED PROPERTY: 9,900 SHARES MS STOCKBOOK VALUE OF CONTRIBUTION PROPERTY: 9,900 SHARES MS STOCK $99METHOD USED TO DETERMINE THE BOOK VALUE: COST BASISMETHOD USED TO DETERMINE FAIR MARKET VALUE: TREASURY REGULATIONS SECTION 20.2031-2DATE OF THE GIFTS: JULY 8, 2024	$995,445

Leadership & Key People

Leadership team and compensation from IRS filings

John J. Mack - Director and founder. Senior Advisor and former CEO and Chairman of Morgan Stanley. Served as CEO of Credit Suisse First Boston from 2001 to 2004 and as Co-CEO of Credit Suisse Group.
Christy K. Mack - President and founder

Compensation Overview

From 2024 IRS filing

From 2024 filing

Name	Title	Hours	Compensation
JOHN J MACK	DIRECTOR	1	—
CHRISTY K MACK	PRESIDENT	2	—

Contact Information

Address: PO Box 99, Purchase, NY 10577-0099
Telephone: 914-925-0229

Frequently Asked Questions

What does Christy and John Mack Foundation fund?

The foundation's giving priorities include: • Hospitals • Education • The arts, including public television • Healthcare programs • Immigration nonprofits • Free clinics and medical equipment

How do I apply for a grant from Christy and John Mack Foundation?

**Grant Activity:** • The foundation made 15 grants in 2023 • Typical award range: $4,555 to $3,800,000 • Average grant size: $638,800 • Median grant size: $182,000 **Recent Grants (2023):** • The Healthy Us Collaborative Inc.: $1,030,000 • Oakland Natives Give Back Fund: $1,000,000 • MicroSociety: $282,000 **Total Giving:** • 2023: $3,726,538 in expenses • 2024: $4,982,000 in total giving

Where does Christy and John Mack Foundation make grants?

The foundation primarily funds organizations in: • New York • Pennsylvania • District of Columbia

What size grants does Christy and John Mack Foundation award?

In 2024, Christy and John Mack Foundation awarded 4 grants totaling $5.0M — an average of about $1.2M per grant, based on its IRS Form 990 filings.

How much is Christy and John Mack Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Christy and John Mack Foundation reported a distributable amount of $573K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Christy and John Mack Foundation's EIN?

Christy and John Mack Foundation's EIN (Employer Identification Number) is 13-3746731. IRS Form 990 filing data is available on this page for 2020–2024.