The John and Mary Neff Foundation

DECATUR, GA EIN: 58-6403590

The John and Mary Neff Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in DECATUR, GA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.3M in total assets. In 2024, it awarded 12 grants totaling $2.1M. Net investment income was $568K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$2.3M

-27.6% YoY

Annual Giving

$2.1M

+15.3% YoY

Grant Count

12

-40.0% YoY

Avg Grant Size

$176K

+92.2% YoY

About The John and Mary Neff Foundation

Based on IRS filings

The John and Mary Neff Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in DECATUR, GA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.3M in total assets. In 2024, it awarded 12 grants totaling $2.1M. Net investment income was $568K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Cities

AtlantaCambridgeDecaturMariettaStanfordWashingtonWashington Dc

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$3M$4M$6M20202021202220232024
Metric202420232022
Total Assets$2,279,791$3,147,818$4,915,645
Revenue$1,291,230$121,810$75,695
Expenses$2,159,257$1,889,637$370,298
Qualifying Distributions$2,119,304$1,842,084$312,941
Net Investment Income$568,354$73,303$119,170
Distributable Amount$163,996$230,323$248,935

Giving Over Time

Total grant dollars and number of grants per year

$0$528K$1M$2M$2M1 grants20205 grants20218 grants202220 grants202312 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

CENTER FOR SCIENCE IN TH…$750KUNION OF CONCERNED SCIEN…$750KCOMMUNITY FOUNDATION OF …$250KSOCIETY FOR SCIENCE & TH…$200KMATHMATICAL ASSOC OF AME…$100KHORIZONS ATLANTA$20KGOOD SAMARITAN HEALTH CE…$10KNATIONAL PARK FOUNDATION$10KFOOD WELL ALLIANCE$5KGEORGIA ORGANICS$5K

Grant Size Distribution

46 grants across all recorded years

28<$50K2$50–100K9$100–250K5$250–500K2$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

Connie L KertzTrustee$26K

From 2024 filing

NameTitleHoursCompensation
Connie L KertzTrustee1$25,795

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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