Leiden Conservation Foundation
Preselected recipients only
Leiden Conservation Foundation is a private foundation in Hunting Valley, Ohio. In tax year 2025 it gave $585,571 in 5 grants; the typical grant was $20,048 and the largest $452,013. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$585,571
- Number of grants5
- Typical grant$20,048
- Largest grant$452,013
- Assets$331,502
- New grantees60%
Giving in 2025 was down from $708,502 the year before.
60% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $434,082 | 6 | $164,284 |
| 2024 | $708,502 | 5 | $512,884 |
| 2025 | $585,571 | 5 | $331,502 |
How to apply
Leiden Conservation Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What Leiden Conservation Foundation funds
Where it gives
Its grants went to recipients in 2 states, the most to Wisconsin.
| State | Grants | Amount |
|---|---|---|
| Wisconsin | 1 | $452,013 |
| Ohio | 4 | $133,558 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| International Crane Foundation | Variety of projects | $452,013 |
| Endangered Wildlife Trust | Regional resouce center | $94,310 |
| Nelson Mandela University | African penguin project | $20,048 |
| Akron Zoo | Variety of projects | $16,000 |
| Lion Landscapes | The big give | $3,200 |
Officers and trustees
- Thomas M Leiden
- Kathleen A Leiden
Questions people ask
Does Leiden Conservation Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Leiden Conservation Foundation give?
$585,571 in tax year 2025, across 5 grants, with a typical grant of $20,048.
Who runs Leiden Conservation Foundation?
Its 2025 filing lists Thomas M Leiden (President) and Kathleen A Leiden (Secretary/Tr).
What does Leiden Conservation Foundation fund?
Based on its grants, mainly international.