Private foundation · Hunting Valley, OH

Leiden Conservation Foundation

View org profile →Find similar funders →Invitation only
Typical grant size
$5K – $14K – $30K
25th · median · 75th percentile
Unique recipients
18
Repeat grantees
11
funded 2+ years

Application procedures · from 2024 990-PF

Leadership · from 2024 990-PF

Thomas M Leiden
PRESIDENT
Kathleen a Leiden
SECRETARY/TREASURER
Thomas Leiden
PRESIDENT
Kathleen Leiden
SECRETARY/TREASURER

Source: IRS Form 990-PF, Part VII. Officers, directors, and trustees as reported by the foundation.

Payout rate · TY 2024
138.1%
grants paid ÷ assets · ~5% IRS minimum
'17
'18
'19
'20
'21
'22
'23
'24
123
Total grants awarded
$4.7M
Total amount
$38K
Average grant
$612K
Largest grant

Giving by year

2024
$709K
5 grants
2023
$434K
6 grants
2022
$394K
11 grants
2021
$310K
7 grants
2020
$365K
9 grants
2019
$464K
9 grants
2018
$453K
18 grants
2017
$392K
20 grants
2016
$371K
14 grants
2015
$257K
7 grants
2014
$310K
6 grants
2013
$254K
11 grants

Top recipients

8 grants · WI · ✓ Exact match
$2.0M
8 grants · OH · ✓ Exact match
$813K
Sanccob
6 grants
$331K
Endangered Wildlife Trust
3 grants
$211K
2 grants · FL · ✓ Exact match
$142K
Fossey Fund
4 grants · GA
$130K
7 grants · CA · ✓ Exact match
$129K
5 grants · MI · ≈ likely match
$116K
Bristol Conservation Foundation
3 grants
$87K
North Carolina Zoo
5 grants · NC
$85K

Recipient names are as reported on the 990-PF. ✓ Exact match = EIN matched to IRS records by exact name + state; ≈ likely match = EIN inferred from a closely similar name. The recipient EIN is never stated on the form — it is DoubleNine’s match.

Recent grants · most recent filings first

International Crane Foundation
GENERAL
WI · TY 2024
$612K
Endangered Wildlife Trust
GENERAL
TY 2024
$83K
Columbus Zoo and Aquarium
GENERAL
OH · TY 2024
$6K
Colorado Crane Conservation Coalition
GENERAL
CO · TY 2024
$5K
Leshia Upfold
GENERAL
TY 2024
$2K
International Crane Foundation
GENERAL
WI · TY 2023
$365K
Endangered Wildlife Trust
GENERAL
TY 2023
$53K
Colorado Crane Conservation Coalition
GENERAL
CO · TY 2023
$5K
Save Giraffes Now
GENERAL
TX · TY 2023
$5K
Cleveland Zoological Society
GENERAL
OH · TY 2023
$3K
Maralliance
GENERAL
TX · TY 2023
$3K
International Crane Foundation
GENERAL
WI · TY 2022
$182K
Endangered Wildlife Trust
GENERAL
TY 2022
$74K
Project Seahorse
GENERAL
TY 2022
$63K
Wildlife Conservation Network
GENERAL
CA · TY 2022
$19K
Black Swamp Bird Observatory
GENERAL
OH · TY 2022
$15K
North Carolina Zoo
GENERAL
NC · TY 2022
$15K
Rwanda Wildlife Foundation
GENERAL
DC · TY 2022
$13K
Cheyenne Mountain Zoo
GENERAL
CO · TY 2022
$6K
Colorado Crane Conservation Coalition
GENERAL
CO · TY 2022
$5K
Save Giraffes Now
GENERAL
TX · TY 2022
$2K
Western Reserve Land Conservancy
GENERAL
OH · TY 2022
$1K
International Crane Foundation
GENERAL
WI · TY 2021
$183K
Sanccob
GENERAL
TY 2021
$48K
Lion Landscapes - Empower Africa
GENERAL
NY · TY 2021
$25K
Wildlife Conservation Network
GENERAL
CA · TY 2021
$25K
Maralliance
GENERAL
TX · TY 2021
$15K
Rwanda Wildlife Foundation
GENERAL
DC · TY 2021
$10K
Colorado Crane Conservation Coalition
GENERAL
CO · TY 2021
$5K
International Crane Foundation
GENERAL
WI · TY 2020
$226K
Sanccob
GENERAL
TY 2020
$50K
Wildlife Conservation Network
GENERAL
CA · TY 2020
$30K
North Carolina Zoo
GENERAL
NC · TY 2020
$25K
Black Swamp Bird Observatory
GENERAL
OH · TY 2020
$15K
Michigan State University Foundation
GENERAL
MI · TY 2020
$10K
Colorado Crane Conservation Coalition
GENERAL
CO · TY 2020
$5K
Save Giraffes Now
GENERAL
TX · TY 2020
$3K
Columbus Zoo
GENERAL
OH · TY 2020
$2K
International Crane Foundation
GENERAL
WI · TY 2019
$243K
Cleveland Zoological Society
GENERAL
OH · TY 2019
$95K
Sanccob
GENERAL
TY 2019
$51K
Akron Zoo
GENERAL
OH · TY 2019
$20K
Michigan State University Foundation
GENERAL
MI · TY 2019
$20K
Wildlife Conservation Network
GENERAL
CA · TY 2019
$18K
University of Washington Foundation
GENERAL
WA · TY 2019
$15K
Teton Regional Land Trust
GENERAL
ID · TY 2019
$3K
Wcas Sponsorship Nancy Howell
GENERAL
OH · TY 2019
$100
International Crane Foundation
GENERAL
WI · TY 2018
$145K
Cleveland Zoological Society
GENERAL
OH · TY 2018
$65K
Sanccob
GENERAL
TY 2018
$50K

Source: IRS Form 990-PF, Part XV. Up to 50 most recent grants shown.