Private Foundation

JOHN L & MARGARET RIEGEL FOUNDATION

JOHN L & MARGARET RIEGEL FOUNDATION is a private foundation categorized as Private Foundation based in KNOXVILLE, TN. Its most recent IRS filing (2025) reports revenue of $25K, expenses of $42K, total assets of $107K. Imperigo tracks 136 reported grants from this foundation totaling approximately $230K.

EIN: 136154512 KNOXVILLE, TN Latest filing: 2025

Total Revenue$25K

Total Expenses$42K

Total Assets$107K

Grants Given136

Grant Total$230K

Filing Years2021–2025

Sample Grants Given

Manomet

Plymouth, MA · 2025

For Area Conservation

$10,000

Michael J Fox Foundation

Hagerstown, MD · 2025

Promote a cure for Parkinsons

$4,000

Alzheimer's East Tennessee

Knoxville, TN · 2025

Advancement of the cure for Alzheimers

$3,000

East Woods School

Oyster Bay, NY · 2025

Funds to Provide Education

$2,000

Berkshire School

Sheffield, MA · 2025

Funds to Provide Education

$2,000

Showing up to 5 of 136 total records — full history available with membership.

Officers & Directors

Trustee Amy Riegel Clough

Trustee Jennifer A Riegel

Managing Trustee John Riegel

Trustee Nancy Riegel

Trustee William Riegel Jr

Officer compensation and complete director data available with membership.

Top Grant Purposes

FOR AREA CONSERVATION

$50,000 5 grants

PROMOTION OF FAMILY PROGRAMS

$12,000 3 grants

FOR THE ADVANCEMENT OF EDUCATION

$11,000 5 grants

For Area Conservation

$10,000 1 grant

HELP PROVIDE SHELTER FOR THE HOMELESS

$8,500 5 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$25K	$42K	$107K
2024	—	$43K	$124K
2023	—	$45K	$145K
2022	$1K	$50K	$194K
2021	—	$40K	$247K

Between 2022 and 2025, reported annual revenue grew from $1K to $25K (+1968%), with total assets most recently reported at $107K.

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, CT, DC, GA, IL, and 4 other states.

AZCACTDCGAILMAMDMONY

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

See the full picture for JOHN L & MARGARET RIEGEL FOUNDATION

Complete financials, all 136 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