Private Foundation

THE DOROTHEA LLEONHARDT FOUNDATION INC

THE DOROTHEA LLEONHARDT FOUNDATION INC is a private foundation categorized as Private Foundation based in BELLEROSE, NY. Its most recent IRS filing (2025) reports revenue of $1.8M, expenses of $2.4M, total assets of $3.1M. Imperigo tracks 251 reported grants from this foundation totaling approximately $11.2M.

EIN: 133420520 BELLEROSE, NY Latest filing: 2025

Total Revenue$1.8M

Total Expenses$2.4M

Total Assets$3.1M

Grants Given251

Grant Total$11.2M

Filing Years2021–2025

Sample Grants Given

ROANOKE COLLEGE

SALEM, VA · 2024

ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS.

$886,960

WHITNEY MUSEUM OF AMERICAN ART

NEW YORK, NY · 2024

ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS.

$257,614

TAUBMAN MUSEUM OF ART

ROANOKE, VA · 2024

ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS.

$180,000

BERKSHIRE BOTANICAL GARDEN

STOCKBRIDGE, MA · 2024

ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS.

$75,000

PARA LA NATURALEZA INC

SAN JUAN, PR · 2024

ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS.

$75,000

Showing up to 5 of 251 total records — full history available with membership.

Officers & Directors

PRESIDENT Joanne Leonhardt Cassullo

TREASURER Robert Allen White

ASSISTANT TREASURER AND SE Shaju Sam

VICE PRESIDENT Thomas S Leatherbury

VICE PRESIDENT AND SECRETA William Burton Binnie

Officer compensation and complete director data available with membership.

Top Grant Purposes

ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(c)(3) NON-PROFIT ORGANIZATIONS.

$11,245,233 251 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$1.8M	$2.4M	$3.1M
2024	$1.9M	$2.1M	$3.7M
2023	$2.1M	$2.0M	$3.9M
2022	$1.8M	$2.2M	$3.8M
2021	$1.5M	$1.8M	$4.2M

Between 2021 and 2025, reported annual revenue grew from $1.5M to $1.8M (+22%), with total assets most recently reported at $3.1M.

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

Grant Geography

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

CACTDCFLGAIDILKYMAMD

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

See the full picture for THE DOROTHEA LLEONHARDT FOUNDATION INC

Complete financials, all 251 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