Private Foundation

THE SUSAN THOMPSON BUFFETT FOUNDATION

Based in OMAHA, NE, THE SUSAN THOMPSON BUFFETT FOUNDATION operates as a Private Foundation. The organization reported $2.7B in revenue, $1.6B in expenses, $2.7B in total assets for fiscal year 2025. Imperigo tracks 3,615 reported grants from this foundation totaling approximately $6.6B.

EIN: 476032365 OMAHA, NE Private Independent Foundations NTEE: T22 Latest filing: 2025
Total Revenue$2.7B
Total Expenses$1.6B
Total Assets$2.7B
Grants Given3,615
Grant Total$6.6B
Filing Years2021–2025

Sample Grants Given

FEDERAL MINISTRY OF HEALTH AND SOCIAL WELFARE NIGERIA
2025
PROGRAM SUPPORT
$80,536,284
NAF HOTLINE FUND
ANNAPOLIS JUNCTION, MD · 2025
PROGRAM SUPPORT
$67,322,157
INTERNATIONAL BANK FOR RECONSTRUCTION AND DEVELOPMENT
WASHINGTON, DC · 2025
PROGRAM SUPPORT
$60,000,000
OROMIA HEALTH BUREAU
2025
PROGRAM SUPPORT
$50,540,000
MINISTRY OF HEALTH BURKINA FASO
2025
PROGRAM SUPPORT
$47,020,000

Showing up to 5 of 3,615 total records — full history available with membership.

Officers & Directors

PRESIDENT/DIRECTOR Allen Greenberg
DIRECTOR Emily Greenberg
TREASURER/VP OF FINANCE Michelle Martinson
DIRECTOR Peter A Buffett
BOARD CHAIR Susan A Buffett
SECRETARY/VP LEGAL & GENERAL COUNSEL Tamara Watts

Officer compensation and complete director data available with membership.

Top Grant Purposes

PROJECT SUPPORT
$3,317,648,424 2173 grants
PROGRAM SUPPORT
$2,582,969,511 736 grants
GENERAL OPERATING SUPPORT
$356,623,580 352 grants
SCHOLARSHIPS
$251,075,937 211 grants
SCHOLARSHIP PROGRAM
$81,113,226 48 grants

Financial Trends

Year Revenue Expenses Assets
2025 $2.7B $1.6B $2.7B
2024 $1.7B $996.6M $2.8B
2023 $1.3B $763.3M $2.3B
2022 $958.1M $547.7M $1.9B
2021 $489.3M $558.5M $1.6B

Between 2021 and 2025, reported annual revenue grew from $489.3M to $2.7B (+458%), with total assets most recently reported at $2.7B.

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

Grant Geography

Grants from this foundation were reported to recipients in AL, AR, AZ, CA, CO, CT, and 4 other states.

ALARAZCACOCTDCFLGAHI

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

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