Private Foundation

OBERWEILER FOUNDATION

OBERWEILER FOUNDATION is a Private Foundation headquartered in BARRINGTON, IL. Financial data from the 2025 filing: $3.1M revenue, $1.4M expenses, $13.4M total assets. IRS filings disclose 262 grants awarded by this foundation, totaling roughly $4.3M.

EIN: 364376705 BARRINGTON, IL Private Independent Foundations NTEE: T22 Latest filing: 2025

Organization Summary

Grants Given 262

Filing History 2021–2025

Grant Total $4.3M

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Financial Snapshot · 2025

Total Revenue $3.1M

Total Expenses $1.4M

Total Assets $13.4M

Total Revenue$3.1M

Total Expenses$1.4M

Total Assets$13.4M

Grants Given262

Grant Total$4.3M

Filing Years2021–2025

Sample Grants Given

GREEN CITY MARKET

CHICAGO, IL · 2025

EDIBLE EDUCATION PROGRAMMING

$40,000

COMER CHILDREN'S HOSPITAL

CHICAGO, IL · 2025

INTEGRATIVE MEDICINE PROGRAM

$40,000

TRAVIS MANION FOUNDATION

DOYLESTOWN, PA · 2025

CHICAGO VETERANS AND YOUTH

$35,000

THE NATURE CONSERVANCY

ARLINGTON, VA · 2025

VOLUNTEER STEWARDSHIP NETWORK

$30,000

BRUSHWOOD CENTER AT RYERSON WOODS

RIVERWOODS, IL · 2025

IT'S A WIN

$25,000

Showing up to 5 of 262 total records — full history available with membership.

Officers & Directors

TREASURER Anna Weiler

DIRECTOR Kevin Scheiwiller

DIRECTOR Martha Linn

VP/EXECUTIVE DIRECTOR Mary Rowe

DIRECTOR Ronald Ohlsen

PRESIDENT Siegfried Weiler

Officer compensation and complete director data available with membership.

Top Grant Purposes

DONOR ADVISED FUND

$175,000 1 grant

TRAIL TO ZERO; MENTAL HEALTH RETREAT PILOT

$125,000 2 grants

INTEGRATIVE MEDICINE RESIDENCY PROGRAM, COMPLEMENTARY AND ALTERNATIVE SERVICES AND OUTPATIENT CLINIC

$105,000 2 grants

SUMMER INTERNSHIP PROGRAM

$100,000 5 grants

INTEGRATIVE MEDICINE PROGRAM

$80,000 2 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$3.1M	$1.4M	$13.4M
2024	$1.4M	$1.3M	$11.7M
2023	$423K	$1.1M	$11.7M
2022	$973K	$1.2M	$12.3M
2021	$1.6M	$998K	$12.5M

Between 2021 and 2025, reported annual revenue grew from $1.6M to $3.1M (+91%), with total assets most recently reported at $13.4M.

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

Grant Geography

Grants from this foundation were reported to recipients in AZ, CA, IL, IN, MI, OH, and 4 other states.

AZCAILINMIOHPASDVAWI

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

See the full picture for OBERWEILER FOUNDATION

Complete financials, all 262 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports