Private Foundation

THE JOHN AND MARY NEFF FOUNDATION

THE JOHN AND MARY NEFF FOUNDATION is a private foundation categorized as Private Foundation based in DECATUR, GA. Its most recent IRS filing (2025) reports revenue of $1.1M, expenses of $2.6M, total assets of $1.3M. Imperigo tracks 44 reported grants from this foundation totaling approximately $6.8M.

EIN: 586403590 DECATUR, GA Private Independent Foundations NTEE: T22 Latest filing: 2025

Total Revenue$1.1M

Total Expenses$2.6M

Total Assets$1.3M

Grants Given44

Grant Total$6.8M

Filing Years2020–2025

Sample Grants Given

COMMUNITY FOUNDATION OF GREATER ATLANTA

ATLANTA, GA · 2025

Enhance the quality of life in Atlanta by providing expert philanthropic services.

$1,766,607

MATHMATICAL ASSOC OF AMERICA

WASHINGTON, DC · 2025

Public policy efforts to recruit and retain minority and female students into undergraduate mathematics and mathematics-intensive fields.

$450,000

SOCIETY FOR SCIENCE & THE PUBLIC

WASHINGTON DC, DC · 2025

To promote the understanding and appreciation of science and the vital role it plays in human advancement: to inform, educate, and inspire.

$316,033

UNION OF CONCERNED SCIENTISTS

CAMBRIDGE, MA · 2024

to use rigorous, independent science to solve our planet's most pressing problems

$750,000

CENTER FOR SCIENCE IN THE PUBLIC INTEREST

WASHINGTON DC, DC · 2024

To envision a healthy population with reduced impact and burden of preventable diseases and an equitable food system that makes healthy, sustainable food accessible to all.

$750,000

Showing up to 5 of 44 total records — full history available with membership.

Officers & Directors

Trustee Connie L Kertz

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support

$2,426,857 5 grants

Education

$2,046,033 21 grants

Health & Medicine

$1,160,000 11 grants

Research & Policy

$1,040,000 4 grants

Environment & Conservation

$60,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$1.1M	$2.6M	$1.3M
2024	$1.3M	$2.2M	$2.3M
2023	$122K	$1.9M	$3.1M
2022	$76K	$370K	$4.9M
2020	$9	$250	$2K

Between 2020 and 2025, reported annual revenue grew from $9 to $1.1M (+12679900%), with total assets most recently reported at $1.3M.

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, GA, MA.

CADCGAMA

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

See the full picture for THE JOHN AND MARY NEFF FOUNDATION

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