Private Foundation

LEIDEN CONSERVATION FOUNDATION

LEIDEN CONSERVATION FOUNDATION is a private foundation categorized as Private Foundation based in HUNTING VALLEY, OH. Its most recent IRS filing (2025) reports revenue of $693K, expenses of $607K, total assets of $332K. Imperigo tracks 90 reported grants from this foundation totaling approximately $4.1M.

EIN: 452591325 HUNTING VALLEY, OH Private Independent Foundations NTEE: T22 Latest filing: 2025
Total Revenue$693K
Total Expenses$607K
Total Assets$332K
Grants Given90
Grant Total$4.1M
Filing Years2021–2025

Sample Grants Given

INTERNATIONAL CRANE FOUNDATION
BARABOO, WI · 2025
VARIETY OF PROJECTS
$452,013
ENDANGERED WILDLIFE TRUST
SOUTH AFRICA, OH · 2025
REGIONAL RESOUCE CENTER
$94,310
NELSON MANDELA UNIVERSITY
SOUTH AFRICA, OH · 2025
AFRICAN PENGUIN PROJECT
$20,048
AKRON ZOO
AKRON, OH · 2025
VARIETY OF PROJECTS
$16,000
LION LANDSCAPES
UNITED KINGDOM TQ U, OH · 2025
THE BIG GIVE
$3,200

Showing up to 5 of 90 total records — full history available with membership.

Officers & Directors

SECRETARY/TR Kathleen A Leiden
PRESIDENT Thomas M Leiden

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL
$3,520,171 85 grants
VARIETY OF PROJECTS
$468,013 2 grants
REGIONAL RESOUCE CENTER
$94,310 1 grant
AFRICAN PENGUIN PROJECT
$20,048 1 grant
THE BIG GIVE
$3,200 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $693K $607K $332K
2024 $1.1M $713K $513K
2023 $553K $438K $164K
2022 $203K $404K $50K
2021 $503K $313K $251K

Between 2021 and 2025, reported annual revenue grew from $503K to $693K (+38%), with total assets most recently reported at $332K.

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, GA, ID, MI, and 4 other states.

CACODCGAIDMINCNYOHTX

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

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THE JOHN AND PATRICIA COUZINS FOUNDATION
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Browse all nonprofits & foundations in Hunting Valley, →

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