Our Staff and Board of Directors

The National Wildlife Federation has more than 360 staff working in 11 offices across the country.


Collin O'Mara
President and Chief Executive Officer

Collin O'Mara

Collin O’Mara serves as President and CEO of the National Wildlife Federation, America’s largest wildlife conservation organization with 51 state and territorial affiliates and nearly six million hunters, anglers, birders, gardens, hikers, paddlers, and wildlife enthusiasts. Under O’Mara’s leadership, the National Wildlife Federation is focused on recovering America’s wildlife ranging from bison and bighorn sheep to pollinators like monarch butterflies and native bees, improving management of and access to public lands, restoring America’s waterbodies, advancing environmental education (including publishing Ranger Rick magazines), and connecting every American child with the great outdoors.

Prior to the National Wildlife Federation, O’Mara led the Delaware Department of Natural Resources and Environmental Control as Cabinet Secretary from 2009 through 2014. In that position, Secretary O’Mara served as the state’s top natural resource official, led the state’s efforts to conserve and restore wildlife and fishery habitat, improve air quality and public health, ensure access to clean water, expand outdoor recreation and environmental education opportunities, and enhance the state’s resilience to extreme weather and other climate impacts. O’Mara lives in Delaware and spends every possible moment in nature fishing, hunting, hiking, and birding with his wife Krishanti and daughter Riley.



Kathy Hadley

Kathy Hadley, National Wildlife Federation Board Member

Kathy Hadley has served as Chair of National Wildlife Federation’s Board of Directors since June 2017. Kathy is Executive Director of the National Center for Appropriate Technology, a nonprofit organization that helps people by championing small-scale, local and sustainable solutions to reduce poverty, promotes healthy communities and protects natural resources. Kathy has more than 30 years of nonprofit management experience focused primarily on sustainable agriculture, sustainable energy and communities. Kathy started her conservation work at Love Canal where she and her sister, Lois Gibbs, who was living on top of a toxic dump, worked with local residents to mount a successful campaign that led to the passage of the landmark federal environmental law known as Superfund. After moving to Montana in 1979 with her family, Kathy was successful in winning a Superfund site designation for the Clark Fork River near her ranch. She is a founding board member of the Clark Fork Coalition, a vibrant river advocacy organization and has served as a conservation representative on the Clark Fork River Basin Restoration Council.

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