Private Foundation

THE WILLIAM & PHYLLIS MACK FAMILY FOUNDATION INC

THE WILLIAM & PHYLLIS MACK FAMILY FOUNDATION INC is a private foundation categorized as Private Foundation based in FORT LEE, NJ. Its most recent IRS filing (2024) reports revenue of $3.5M, expenses of $3.3M, total assets of $5.9M. Imperigo tracks 190 reported grants from this foundation totaling approximately $16.4M.

EIN: 223512719 FORT LEE, NJ Latest filing: 2024

Total Revenue$3.5M

Total Expenses$3.3M

Total Assets$5.9M

Grants Given190

Grant Total$16.4M

Filing Years2020–2024

Sample Grants Given

GUGGENHEIM MUSEUM

NEW YORK, NY · 2024

CHARITY

$820,000

NORTHWELL HEALTH FOUNDATION

NEW HYDE PARK, NY · 2024

CHARITY

$788,000

UJA FEDERATION OF NEW YORK

NEW YORK, NY · 2024

CHARITY

$300,000

JEWISH FEDERATION OF PALM BEACH

WEST PALM BEACH, FL · 2024

CHARITY

$151,000

AMERICAN FRIENDS OF THE ISRAEL MUSEUM

NEW YORK, NY · 2024

CHARITY

$130,000

Showing up to 5 of 190 total records — full history available with membership.

Officers & Directors

TRUSTEE Phyllis Mack

TRUSTEE Richard Mack

TRUSTEE Stephen Mack

TRUSTEE William Mack

Officer compensation and complete director data available with membership.

Top Grant Purposes

CHARITY

$16,298,173 186 grants

CHARITYCHARITYCHARITY

$75,000 1 grant

CHARITYCHARITY

$20,500 3 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$3.5M	$3.3M	$5.9M
2023	$5.5M	$5.8M	$5.7M
2022	$4.7M	$4.5M	$5.9M
2020	$2.8M	$3.2M	$4.7M

Between 2020 and 2024, reported annual revenue grew from $2.8M to $3.5M (+26%), with total assets most recently reported at $5.9M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in CA, CT, DC, FL, IN, MA, and 4 other states.

CACTDCFLINMAMINJNYOK

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for THE WILLIAM & PHYLLIS MACK FAMILY FOUNDATION INC

Complete financials, all 190 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports