Private Foundation

KOEPPEN-GERLACH FOUNDATION

KOEPPEN-GERLACH FOUNDATION is a private foundation categorized as Private Foundation based in MILWAUKEE, WI. Its most recent IRS filing (2025) reports revenue of $141K, expenses of $132K, total assets of $970K. Imperigo tracks 60 reported grants from this foundation totaling approximately $1.0M.

EIN: 392002931 MILWAUKEE, WI Private Independent Foundations NTEE: T22 Latest filing: 2025
Total Revenue$141K
Total Expenses$132K
Total Assets$970K
Grants Given60
Grant Total$1.0M
Filing Years2021–2025

Sample Grants Given

CONSERVANCY FOR HEALING AND HERITAG
FRANKLIN, WI · 2025
PROGRAM SUPPORT
$100,000
VERSITI BLOOD RESEARCH INSTITUTE
MILWAUKEE, WI · 2025
PROGRAM SUPPORT
$10,000
MILWAUKEE COUNTY HISTORICAL SOCIETY
MILWAUKEE, WI · 2025
PROGRAM SUPPORT
$5,000
MILWAUKEE INSTITUTE OF ART DESIGN
MILWAUKEE, WI · 2025
PROGRAM SUPPORT
$5,000
CONSERVANCY FOR HEALING AND HERITAG
FRANKLIN, WI · 2024
PROGRAM SUPPORT
$102,500

Showing up to 5 of 60 total records — full history available with membership.

Officers & Directors

PRESIDENT David Affeldt
VICE PRESIDENT Thomas Boettcher
TREASURERSECRETARY Thomas Tuttle

Officer compensation and complete director data available with membership.

Top Grant Purposes

PROGRAM SUPPORT
$986,200 58 grants
PUBLIC SUPPORT
$15,000 2 grants

Financial Trends

Year Revenue Expenses Assets
2025 $141K $132K $970K
2024 $59K $97K $936K
2023 $201K $89K $1.0M
2022 $80K $153K $892K
2021 $30K $132K $965K

Between 2021 and 2025, reported annual revenue grew from $30K to $141K (+375%), with total assets most recently reported at $970K.

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

Grant Geography

Grants from this foundation were reported to recipients in WI.

WI

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

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