The Margot Marsh Biodiversity Foundation
Preselected recipients only
The Margot Marsh Biodiversity Foundation is a private foundation in New York, New York. In tax year 2025 it gave $448,900 in 17 grants; the typical grant was $20,000 and the largest $150,000. 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$448,900
- Number of grants17
- Typical grant$20,000
- Largest grant$150,000
- Assets$2.9 million
- New grantees33%
Giving in 2025 was down from $503,700 the year before.
33% of its 2025 grantees had not received a grant from it the year before, a mix of repeat and new grantees.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $444,600 | 19 | $3.3 million |
| 2024 | $503,700 | 19 | $3.1 million |
| 2025 | $448,900 | 17 | $2.9 million |
How to apply
The Margot Marsh Biodiversity 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 The Margot Marsh Biodiversity Foundation funds
Where it gives
Its US grants went to recipients in 9 states, the most to Texas. It also paid $15,700 in 1 grant to recipients outside the US.
| State | Grants | Amount |
|---|---|---|
| Texas | 4 | $212,000 |
| Colorado | 2 | $45,000 |
| District of Columbia | 2 | $40,000 |
| Illinois | 2 | $35,000 |
| New York | 2 | $35,000 |
| North Carolina | 1 | $25,000 |
| Maryland | 1 | $20,000 |
| Pennsylvania | 1 | $11,200 |
| Michigan | 1 | $10,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Rewild | 2025 primate action fund | $150,000 |
| Friends of Bonobos | Third reintroduction of bonobos, pan paniscus, at ekolo ya bonobo community reserve, drc | $25,000 |
| Gorilla Rehabilitation and Conservation Education | Usala conservation corridor to protect grauer's gorillas (gorilla beringei graueri), north kivu, dr congo | $25,000 |
| Rewild | List of the world's 25 most endangered primates a meeting at the xxx congress of the international primatological society, antananarivo madagascar | $25,000 |
| Rewild | The use of drones to improve forest surveillance, monitoring and the conservation of cercopithecus roloway and colobus vellerosus; two critically endangered primate species in the tanoe-ehy forest, southeastern cote d'ivoire | $25,000 |
| Cloud Forest Fund | Saving the critical habitat of the world's rarest monkey: the tonkin snub-nosed monkey habitat in khau ca forest, vietnam | $25,000 |
| Fauna & Flora International | Community-based conservation of the myanmar snub-nosed monkey (rhinopithecus strykeri), myanmar phase iv | $20,000 |
| Lincoln Park Zoo | Conservation of western lowland gorillas (gorilla gorilla gorilla) and central chimpanzees (pan troglodytes troglodytes) in the congo basin | $20,000 |
| Wild Earth Allies | Conservation of the blue monkey (cercopithecus mitis) on idjwi island, democratic republic of the congo | $20,000 |
| Bonobo Conservation Initiative | Protecting endangered bonobos (pan paniscus) and a critical biodiversity corridor in the congo rainforest (lilungu, tshuapa province, democratic republic of congo) | $20,000 |
| Gorilla Rehabilitation and Conservation Education | Usala conservation corridor to protect grauer's gorillas (gorilla beringei graueri), north kivu, drc | $20,000 |
| Ohio State University | Community-led conservation of the critically endangered roloway monkey and endangered white-naped mangabey through sustainable nature-based solutions in the western region of ghana, west africa | $15,700 |
| University of Illinois Urbana Champaign | Monitoring ontogenetic changes in wild chimpanzee (pan troglodytes) gut microbiota at kibale national park, uganda | $15,000 |
| Rewild | Support for the publication of the iucn ssc primate specialist group journal primate conservation: printing of issue 39 (2025) | $12,000 |
| New Nature Foundation | Safeguarding habitat for endangered ashy red colobus and other species in western uganda through expansion of biomass briquette production | $11,200 |
| The Kasiisi Project | Expanding school and community handwashing campaigns to reduce human-to-chimpanzee (pan troglodytes schweinfurthii) respiratory infections in kibale national park, uganda | $10,000 |
| Individual | 2025 mmbf special award | $10,000 |
Officers and trustees
- Russell Mittermeier
- Rick Barongi
- H Williamson Ghriskey Jr
- William Konstant
- Kenneth Gladner
- Thayne Maynard
Questions people ask
Does The Margot Marsh Biodiversity Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Margot Marsh Biodiversity Foundation give?
$448,900 in tax year 2025, across 17 grants, with a typical grant of $20,000.
Who runs The Margot Marsh Biodiversity Foundation?
Its 2025 filing lists Russell Mittermeier (President), Rick Barongi (Secretary), H Williamson Ghriskey Jr (VP & CFP) and William Konstant (Director) among 6 officers and trustees.
What does The Margot Marsh Biodiversity Foundation fund?
Based on its grants, mainly environment and conservation, international and education.