Private Foundation

SOMMERHAUSER FOUNDATION INC C/O PETER M SOMMERHAUSER

SOMMERHAUSER FOUNDATION INC C/O PETER M SOMMERHAUSER is a private foundation categorized as Private Foundation based in MILWAUKEE, WI. Its most recent IRS filing (2025) reports revenue of $15K, expenses of $95K, total assets of $253K. Imperigo tracks 181 reported grants from this foundation totaling approximately $655K.

EIN: 391805123 MILWAUKEE, WI Latest filing: 2025

Total Revenue$15K

Total Expenses$95K

Total Assets$253K

Grants Given181

Grant Total$655K

Filing Years2021–2025

Sample Grants Given

UNITED WAY OF GREATER MILWAUKEE & WAUKESHA COUNTY INC

MILWAUKEE, WI · 2025

GENERAL OPERATING SUPPORT

$13,500

NORTHWESTERN UNIVERSITY

CHICAGO, IL · 2025

GENERAL OPERATING SUPPORT

$10,000

MAYO CLINIC

ROCHESTER, MN · 2025

GENERAL OPERATING SUPPORT

$10,000

AURORA HEALTH CARE FOUNDATION INC

MILWAUKEE, WI · 2025

GENERAL OPERATING SUPPORT

$10,000

NORTHWESTERN MEMORIAL FOUNDATION (NORTHWESTERN MEMORIAL HEALTHCARE)

CHICAGO, IL · 2025

GENERAL OPERATING SUPPORT

$10,000

Showing up to 5 of 181 total records — full history available with membership.

Officers & Directors

VICE PRES/DIRECTOR Brian L Sommerhauser

VICE PRES/TREASURER/DIRECTOR Elizabeth H Sommerhauser

DIRECTOR James N Phillips

DIRECTOR Joan D Klimpel

VICE PRES/SECRETARY/DIRECTOR Lisa E Eickberg

PRESIDENT/DIRECTOR Peter M Sommerhauser

Officer compensation and complete director data available with membership.

Top Grant Purposes

CHARITABLE

$562,452 161 grants

GENERAL OPERATING SUPPORT

$90,950 19 grants

KERR COUNTY FLOOD RELIEF

$2,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$15K	$95K	$253K
2024	$9K	$98K	$333K
2023	$17K	$93K	$423K
2022	$45K	$91K	$499K
2021	$11K	$107K	$544K

Between 2021 and 2025, reported annual revenue grew from $11K to $15K (+35%), with total assets most recently reported at $253K.

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, FL, GA, HI, IA, and 4 other states.

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

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