Private Foundation

Bill and Dinah Ruch Family Foundation

Bill and Dinah Ruch Family Foundation, of Wilmington, DE, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $3.5M in revenue, $556K in expenses, $11.1M in total assets. IRS filings disclose 31 grants awarded by this foundation, totaling roughly $4.2M.

EIN: 453990748 Wilmington, DE Latest filing: 2025

Total Revenue$3.5M

Total Expenses$556K

Total Assets$11.1M

Grants Given31

Grant Total$4.2M

Filing Years2021–2025

Sample Grants Given

SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE

LA JOLLA, CA · 2025

The William W. Ruch Distinguished Endowed Chair

$500,000

SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE

LA JOLLA, CA · 2024

The William W. Ruch Distinguished Endowed Chair

$500,000

THINKING NATION CORP

PORTER RANCH, CA · 2024

General & Unrestricted

$150,000

SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE

LA JOLLA, CA · 2023

William W. Ruch Distinguished Endowed Chair fUND

$500,000

THINKING NATION CORP

NORTHRIDGE, CA · 2023

General & Unrestricted

$150,000

Showing up to 5 of 31 total records — full history available with membership.

Officers & Directors

Dir, Pres Dinah Ruch

Sec Jennifer Walner

Officer compensation and complete director data available with membership.

Top Grant Purposes

General & Unrestricted

$1,281,900 18 grants

The William W. Ruch Distinguished Endowed Chair

$1,000,000 2 grants

Thinking Nation Project

$555,000 4 grants

William W. Ruch Distinguished Endowed Chair fUND

$500,000 1 grant

Rocket Park Project

$340,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$3.5M	$556K	$11.1M
2024	$3.3M	$702K	$8.2M
2023	$939K	$898K	$5.5M
2022	$635K	$558K	$5.5M
2021	$1.2M	$63K	$5.4M

Between 2021 and 2025, reported annual revenue grew from $1.2M to $3.5M (+192%), with total assets most recently reported at $11.1M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, LA.

CALA

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

See the full picture for Bill and Dinah Ruch Family Foundation

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