Private Foundation

THOMAS JAFFE FOUNDATION

THOMAS JAFFE FOUNDATION is a private foundation categorized as Private Foundation based in NEW YORK, NY. Its most recent IRS filing (2025) reports revenue of $51K, expenses of $6K, total assets of $1.4M. Imperigo tracks 18 reported grants from this foundation totaling approximately $6.6M.

EIN: 134084594 NEW YORK, NY Latest filing: 2025

Total Revenue$51K

Total Expenses$6K

Total Assets$1.4M

Grants Given18

Grant Total$6.6M

Filing Years2020–2025

Sample Grants Given

YALE PEABODY MUSEUM OF NATURAL HISTORY

NEW HAVEN, CT · 2019

RENOVATIONS, STAFF AND COLLECTION ENDOWMENTS

$3,000,000

YALE UNIVERSITY - INDO PACIFIC CURATORIAL FELLOWS (YUAG)

NEW HAVEN, CT · 2019

RENOVATIONS, STAFF AND COLLECTION ENDOWMENTS

$125,000

YALE PEABODY MUSEUM OF NATURAL HISTORY

NEW HAVEN, CT · 2018

RENOVATIONS, STAFF AND COLLECTION ENDOWMENTS

$3,500,000

DOCTORS WITHOUT BORDERS

NEW YORK, NY

ORGANIZATION'S CHARITABLE PURPOSE

$1,000

AMERICAN CIVIL LIBERTIES UNION FOUNDATION

NEW YORK, NY

ORGANIZATION'S CHARITABLE PURPOSE

$1,000

Showing up to 5 of 18 total records — full history available with membership.

Officers & Directors

PRESIDENT Thomas Jaffe

Officer compensation and complete director data available with membership.

Top Grant Purposes

RENOVATIONS, STAFF AND COLLECTION ENDOWMENTS

$6,625,000 3 grants

ORGANIZATION'S CHARITABLE PURPOSE

$6,800 15 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$51K	$6K	$1.4M
2024	$37K	$1K	$1.4M
2023	$-53K	$11K	$1.4M
2021	$57K	$5K	$8.1M
2020	$167K	$3.1M	$8.0M

Between 2020 and 2025, reported annual revenue declined from $167K to $51K (-69%), with total assets most recently reported at $1.4M.

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

Grant Geography

Grants from this foundation were reported to recipients in AL, CA, CT, DC, IL, NJ, and 1 other state.

ALCACTDCILNJNY

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

See the full picture for THOMAS JAFFE FOUNDATION

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