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 $275K, expenses of $273K, total assets of $961K. Imperigo tracks 56 reported grants from this foundation totaling approximately $881K.

EIN: 392002931 MILWAUKEE, WI Latest filing: 2025

Total Revenue$275K

Total Expenses$273K

Total Assets$961K

Grants Given56

Grant Total$881K

Filing Years2021–2025

Sample Grants Given

CONSERVANCY FOR HEALING AND HERITAG

FRANKLIN, WI · 2024

PROGRAM SUPPORT

$102,500

MILWAUKEE COUNTY HISTORICAL SOCIETY

MILWAUKEE, WI · 2024

PROGRAM SUPPORT

$90,000

MILWAUKEE PUBLIC MUSEUM

MILWAUKEE, WI · 2024

PROGRAM SUPPORT

$30,000

TEN CHIMNEYS FOUNDATION INC

WAUKESHA, WI · 2024

PROGRAM SUPPORT

$10,000

FOREST HOME CEMETERY ARBORETUM

MILWAUKEE, WI · 2024

PROGRAM SUPPORT

$5,000

Showing up to 5 of 56 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

$866,200 54 grants

PUBLIC SUPPORT

$15,000 2 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$275K	$273K	$961K
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 $275K (+829%), with total assets most recently reported at $961K.

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

Grant Geography

Grants from this foundation were reported to recipients in WI.

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

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