Private Foundation

Harry & Beatrice Sley Foundation

Harry & Beatrice Sley Foundation, of Bethesda, MD, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $26K in revenue, $66K in expenses, $108K in total assets. IRS filings disclose 139 grants awarded by this foundation, totaling roughly $348K.

EIN: 236391020 Bethesda, MD Latest filing: 2025

Total Revenue$26K

Total Expenses$66K

Total Assets$108K

Grants Given139

Grant Total$348K

Filing Years2021–2025

Sample Grants Given

Giffords Law Center

Washington DC, DC · 2025

General

$21,500

Church of the Redeemer

Gaithersburg, MD · 2025

General

$10,000

International Myeloma Foundation

Studio City, CA · 2025

General

$9,250

US Holocaust Memorial Museum

Washington DC, DC · 2025

General

$5,500

Washington Hebrew Congregation

Washington DC, DC · 2025

General

$3,900

Showing up to 5 of 139 total records — full history available with membership.

Officers & Directors

Executive Dir. Benjamin H Sley

Executive Dir. Betsy Sley Grossman

Officer compensation and complete director data available with membership.

Top Grant Purposes

General

$302,478 124 grants

GENERAL

$44,205 14 grants

GEneral

$1,200 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$26K	$66K	$108K
2024	$41K	$62K	$117K
2023	$45K	$58K	$139K
2022	$41K	$68K	$151K
2021	$3K	$37K	$180K

Between 2021 and 2025, reported annual revenue grew from $3K to $26K (+680%), with total assets most recently reported at $108K.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, CO, DC, FL, GA, MD, and 4 other states.

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

See the full picture for Harry & Beatrice Sley Foundation

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