The Donald J Slavik Family Foundation concentrates on substantial, targeted investments in conservation, particularly large-scale wildlife and habitat protection, with a clear interest in African lion landscapes. Grants are few but sizeable and include both direct project support to conservation NGOs and use of a donor-advised/unrestricted vehicle for flexible philanthropy. The foundation favors established conservation partners rather than many small awards.
A 2025 grant to the Shark Conservation Fund stands out among the Donald J Slavik Family Foundation’s recent awards, alongside multiple six-figure commitments to lion, big-cat, and corridor-conservation work. The foundation’s portfolio centers on wildlife and wild-place protection, with repeated support for apex predator conservation, habitat preservation, and projects that connect species recovery to community coexistence. Its recent grants also show a strong preference for conservation vehicles and established intermediaries, including Rockefeller Philanthropy Advisors, National Philanthropic Trust, and Wildlife Conservation Network. The pattern is not limited to one species or one landscape. In Africa, the foundation has backed lion-focused work through Empowers Africa, Panthera, Maliasili Initiatives, and African Parks Foundation of America, while in North America it has supported wolf-crossing mitigation, panther protection, and watershed or corridor projects tied to habitat connectivity. The Nature Conservancy appears repeatedly across recent years for work ranging from conservation support to corridor and food-system initiatives. Across these awards, the foundation gives project-oriented grants with a conservation focus that blends species protection, land protection, and practical mitigation measures for human-wildlife conflict.
Lion conservation is a defining theme. The foundation gave $315,000 to Empowers Africa Inc for the Lion Landscapes Fund, and another $200,000 to the same group for the sustainable growth of Lion Landscapes programs. It also awarded $150,000 to Maliasili Initiatives Inc for Lion Guardians work with Maasai and carnivore coexistence. Big-cat recovery extends beyond lions. Panthera Corporation received $150,000 for protecting big cats and biodiversity at Hwange National Park in Zimbabwe, with support for local community well-being and resilience. The foundation also backed African Parks Foundation of America with $142,000 for managing large carnivores in Majete Wildlife Reserve. On marine and river conservation, the foundation has funded Shark Conservation Fund through Rockefeller Philanthropy Advisors and directly, and it supported Wild Salmon Center for the West Susitna River watershed and access-road opposition. These grants show a mix of species protection, habitat defense, and infrastructure-related conservation work.
$3.2M
$85.3M
$15.9M
$3.7M
Most grants fall between $50K and $100K, with a median of $100K.
25th Percentile
$50K
Median
$100K
75th Percentile
$100K
About 0% of grants go to recipients in NY.
Top 2 recipient countries by grant volume for Donald J Slavik Family Foundation.
| Rank | Country | Grants | Total | Share |
|---|---|---|---|---|
| 1 | United StatesDomestic | 99 | $10.2M | 99.0% |
| 2 | Tanzania |
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Concentrated giving: a small number of large grants of roughly equal size, split between direct project support to conservation organizations and funding routed through a philanthropic/DAF vehicle; repeat or diversified grantee list not evident due to small sample.
Notable grantees: The Nature Conservancy, Empowers Africa Inc, National Philanthropic Trust
Typical awards are substantial: the 25th percentile is $50,000, while both the median and 75th percentile are $100,000, indicating a cluster of six-figure project grants. Recent grants show repeat recipients across multiple years, including Empowers Africa, The Nature Conservancy, Rockefeller Philanthropy Advisors, Wild Salmon Center, Panthera, and Ocean Conservancy. That repeat pattern points to an ongoing relationship model rather than one-off checks. The foundation is a regular funder, not a DAF, and it does not fund individuals or make program-related investments. Its grants are project-based, often for conservation programs, corridor protection, species management, or unrestricted support routed through fiscal sponsors and philanthropy intermediaries. Unsolicited applications are accepted in the listed project-grant programs, including a first-step Letter of Inquiry process for general conservation grants.
Grantmaking is national, with the strongest concentration in New York by grant count. Recent awards also land in Virginia, Washington, Pennsylvania, Arizona, Montana, Oregon, Vermont, Colorado, and Texas. The recipient-country distribution is overwhelmingly U.S.-based, with one grant to Tanzania. Specific city patterns are visible in the recent grants list: New York, NY appears repeatedly through Empowers Africa, Rockefeller Philanthropy Advisors, Panthera, Wildlife Conservation Network, and Shark Conservation Fund; Arlington, VA appears several times through The Nature Conservancy; and Washington, DC appears through African Parks Foundation of America and Ocean Conservancy. The foundation’s few non-U.S. awards are tied to African conservation work rather than a broad international spread.
Its project grants focus on wildlife and wild places, especially apex predator protection, habitat preservation, species management and re-introduction, human-wildlife coexistence, conservation technology, and sustainable agriculture or food production when those activities reduce habitat loss.
Yes. The listed project-grant programs all accept unsolicited applications, and the general conservation program adds a Letter of Inquiry step first. The foundation’s grantmaking is therefore not limited to invitation-only support.
The grant-size distribution is centered on six-figure awards: the 25th percentile is $50,000, the median is $100,000, and the 75th percentile is $100,000. Recent grants also include several awards at $150,000 to $320,000.
Grantmaking is national, but New York is the top state by grant count. The recipient-country data is almost entirely U.S.-based, with one grant to Tanzania. Recent grants also appear in Virginia, Washington, Pennsylvania, Arizona, Montana, Oregon, Vermont, Colorado, and Texas.
Several recipients appear across multiple years, including Empowers Africa, The Nature Conservancy, Rockefeller Philanthropy Advisors, Wild Salmon Center, Panthera, and Ocean Conservancy. That indicates an ongoing relationship pattern alongside project-specific awards.
2025
Source: IRS Form 990-PF, fiscal year 2025.
| 1 |
| $60K |
1.0% |
Recipient country reflects the grantee's headquarters per IRS 990-PF and Schedule F filings, not the program's implementation country.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| EMPOWERS AFRICA INC | NEW YORK, NY | $315,000 | 2025 | Lion Landscapes Fund |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | NEW YORK, NY | $200,000 | 2025 | Shark Conservation Fund |
| NATURE CONSERVANCY | ARLINGTON, VA | $200,000 | 2025 | Funds for Zambia's Kafue-West Lunga Corridor |
| NATIONAL PHILANTHROPIC TRUST | JENKINTOWN, PA | $200,000 | 2025 | The Slavik Williams Charitable Fund |
| CENTER FOR BIOLOGICAL DIVERSITY INC | TUCSON, AZ | $200,000 | 2025 | the N.C. US 64 Wolf Crossing Project: Red Wolf Crossing Fund |
| YELLOWSTONE TO YUKON CONSERVATION INITIATIVE | BOZEMAN, MT | $175,000 | 2025 | HWY 3 Corridor Project |
| MALIASILI INITIATIVES INC | ESSEX JUNCTION, VT | $150,000 | 2025 | Lion Guardians - Work with Maasai/Carnivore Coexistence |
| PANTHERA CORPORATION | NEW YORK, NY | $150,000 | 2025 | Funds for Protecting Big Cats and Biodiversity of Hwange National Park, Zimbabwe, and Supporting the well-being and resilience of local communities |
| WILDLIFE CONSERVATION NETWORK INC | SAN FRANCISCO, CA | $150,000 | 2025 | The Lion Recovery Fund with further support to Natura in Mozambique |
| NATURE CONSERVANCY | ARLINGTON, VA | $150,000 | 2025 | Funds for Mainsteaming Food and Water Solutions Globally |
| WILD SALMON CENTER | PORTLAND, OR | $150,000 | 2025 | Funds for West Susitna River D/F: Block Highway Construction |
| AFRICAN PARKS FOUNDATION OF AMERICA | WASHINGTON, DC | $142,000 | 2025 | Fund for Managing Large Carnivores in Majete Wildlife Reserve 2024 |
| VITAL GROUND FOUNDATION INC | MISSOULA, MT | $123,150 | 2025 | East Glacier Linkage Pjt: Connecting Vital Land Fund |
| WILDLIFE CONSERVATION NETWORK INC | SAN FRANCISCO, CA | $115,000 | 2025 | Niassa Lion - Promoting Human Coexistence with Lions and other predators |
| WILDLIFE GUARDIANS | WASHINGTON, DC | $100,000 | 2025 | Pride Alliance Fund |
| NATURE CONSERVANCY | ARLINGTON, VA | $100,000 | 2025 | the Florida Wildlife Center - Florida Panther Project |
| WILDLIFE CROSSING FUND | CALABASAS, CA | $100,000 | 2025 | National Wildlife Crossings Fund |
| OCEAN CONSERVANCY INC | WASHINGTON, DC | $100,000 | 2025 | PNW Ghost Gear Removal Project |
| REWILD | AUSTIN, TX | $80,000 | 2025 | Zambezi River Valley Carnivore Preservation Project |
| WILD CANID SURVIVAL & RESEARCH CENTER INC | EUREKA, MO | $75,000 | 2025 | Funds for Animal Refrigerator Unit |
| YELLOWSTONE TO YUKON CONSERVATION INITIATIVE | BOZEMAN, MT | $50,000 | 2025 | Funds for study support regarding I-90 over pass project |
| NATIONAL WILDLIFE FEDERATION | MERRIFIELD, VA | $50,000 | 2025 | Recover of CO Wolves/Conflict Program |
| REWILD | AUSTIN, TX | $50,000 | 2025 | Funds for Ending Bushmeat Hunting, Consumption, and Trade in African Golden Cats |
| GREATER YELLOWSTONE COALITION INC | BOZEMAN, MT | $50,000 | 2025 | Grizz Conflict Reduction: Funding Programs Across Ecosystem |
| ENTERTAINMENT 2 AFFECT CHANGE | LOS ANGELES, CA | $30,000 | 2025 | Connecting the Grizzly program |
| WILDLIFE PROTECTION SOLUTIONS | GOLDEN, CO | $1,478 | 2025 | Funds for WCC Conference |
| THE NATURE CONSERVANCY | ARLINGTON, VA | $320,000 | 2024 | TO SUPPORT VITAL CONSERVATION |
| EMPOWERS AFRICA INC | NEW YORK, NY | $200,000 | 2024 | Lion Landscapes - Sustainable Growth of the Lion Landscapes programs |
| NATURE CONSERVANCY | ARLINGTON, VA | $200,000 | 2024 | Florida Panther Protection fund |
| AFRICAN PARKS FOUNDATION OF AMERICA | NEW YORK, NY | $152,000 | 2024 | GENERAL |
| NATURE CONSERVANCY | ARLINGTON, VA | $150,000 | 2024 | The Nature for Food Facility fund |
| WILD SALMON CENTER | PORTLAND, OR | $150,000 | 2024 | To protect the Susitna River watershed from the proposed West Susitna Industrial access road |
| SHARK CONSERVATION FUND | NEW YORK, NY | $150,000 | 2024 | SHARK CONSERVATION FUND |
| ROCKEFELLER PHILANTHROPY ADVISORS INC | NEW YORK, NY | $150,000 | 2024 | The Shark Conservation Fund |
| PANTHERA | NEW YORK, NY | $150,000 | 2024 | IN SUPPORT OF THE WORLD'S FORMOST WILD CAT AND LAW ENFORCEMENT EXPERTS AS THEY IMPLEMENT CONSERVATION PROGRAMS TO PROTECT THE FUTURE OF WILD CATS |
| WILDLIFE CONSERVATION NETWORK | SAN FRANCISCO, CA | $150,000 | 2024 | LION RECOVERY FUND |
| COLORADO STATE UNIVERSITY FOUNDATIO | FORT COLLINS, CO | $147,000 | 2024 | IN SUPPORT OF THEIR TRADITION OF TEACHING, RESEARCH AND PUBLIC SERVICE |
| OCEAN CONSERVANCY INC | WASHINGTON, DC | $140,380 | 2024 | To support the Animal Impact Calculator Project |
| OCEAN CONSERVANCY INC | WASHINGTON, DC | $133,630 | 2024 | to support the Pacific Northwest Ghost Gear Removal project |
| WILDLIFE CONSERVATION NETWORK INC | SAN FRANCISCO, CA | $100,000 | 2024 | Lion Recovery Fund - Securing the protection area to promote lion recovery and expansion in the Zambeze Delta, Mozambique |
| THE NATURE CONSERVANCY | COLD SPRING HARBOR, NY | $100,000 | 2024 | Conservation of Zambia's Kafue-West Lunga Corridor fund |
| WILDLIFE CONSERVATION NETWORK INC | SAN FRANCISCO, CA | $100,000 | 2024 | Niassa Lion - Niassa Carnivore Project |
| PANTHERA CORPORATION | NEW YORK, NY | $100,000 | 2024 | Protecting the Big Cats and Biodiversity of Hwange National Park, Zimbabwe |
| PACIFIC MARINE MAMMAL CENTER | LAGUNA BEACH, CA | $100,000 | 2024 | NEXT WAVE CAPITAL CAMPAIGN |
| VITAL GROUND FOUNDATION | MISSOULA, MT | $100,000 | 2024 | TO SUPPORT WILDLIFE CONSERVATIONS |
| SAINT LOUIS ZOO | ST LOUIS, MO | $100,000 | 2024 | JEFFREY P. BONNER, PH.D., CONSERVATION FUND |
| WILDLIFE CONSERVATION SOCIETY | BRONX, NY | $100,000 | 2024 | SAVING WILDLIFE AND WILD PLACES WORLDWIDE THROUGH SCIENCE, CONSERVATION ACTION, EDUCATION, AND INSPIRING PEOPLE TO VALUE NATURE |
| NATIONAL WILDLIFE FEDERATION | RESTON, VA | $100,000 | 2024 | Wallis Annenberg Wildlife Crossing fund |
| NATIONAL WILDLIFE FEDERATION | RESTON, VA | $100,000 | 2024 | The Wildlife Crossing Fund |
| RE WILD | AUSTIN, TX | $97,350 | 2024 | PROTECTING AND RESTORING THE WILD |
the N.C. US 64 Wolf Crossing Project: Red Wolf Crossing Fund
Lion Guardians - Work with Maasai/Carnivore Coexistence
Funds for Protecting Big Cats and Biodiversity of Hwange National Park, Zimbabwe, and Supporting the well-being and resilience of local communities
The Lion Recovery Fund with further support to Natura in Mozambique
Funds for West Susitna River D/F: Block Highway Construction
Fund for Managing Large Carnivores in Majete Wildlife Reserve 2024
East Glacier Linkage Pjt: Connecting Vital Land Fund
Niassa Lion - Promoting Human Coexistence with Lions and other predators
WILDLIFE CROSSING FUND
$100,000National Wildlife Crossings Fund
Funds for study support regarding I-90 over pass project
NATIONAL WILDLIFE FEDERATION
$50,000Recover of CO Wolves/Conflict Program
Funds for Ending Bushmeat Hunting, Consumption, and Trade in African Golden Cats
Grizz Conflict Reduction: Funding Programs Across Ecosystem
WILDLIFE PROTECTION SOLUTIONS
$1,478Funds for WCC Conference
Lion Landscapes - Sustainable Growth of the Lion Landscapes programs
To protect the Susitna River watershed from the proposed West Susitna Industrial access road
SHARK CONSERVATION FUND
$150,000SHARK CONSERVATION FUND
IN SUPPORT OF THE WORLD'S FORMOST WILD CAT AND LAW ENFORCEMENT EXPERTS AS THEY IMPLEMENT CONSERVATION PROGRAMS TO PROTECT THE FUTURE OF WILD CATS
COLORADO STATE UNIVERSITY FOUNDATIO
$147,000IN SUPPORT OF THEIR TRADITION OF TEACHING, RESEARCH AND PUBLIC SERVICE
to support the Pacific Northwest Ghost Gear Removal project
Lion Recovery Fund - Securing the protection area to promote lion recovery and expansion in the Zambeze Delta, Mozambique
Conservation of Zambia's Kafue-West Lunga Corridor fund
Niassa Lion - Niassa Carnivore Project
Protecting the Big Cats and Biodiversity of Hwange National Park, Zimbabwe
SAINT LOUIS ZOO
$100,000JEFFREY P. BONNER, PH.D., CONSERVATION FUND
SAVING WILDLIFE AND WILD PLACES WORLDWIDE THROUGH SCIENCE, CONSERVATION ACTION, EDUCATION, AND INSPIRING PEOPLE TO VALUE NATURE