Peyton Curlee Griffin, President
Peyton was Executive Director of NRCC from 1993 until 2000. Her work in Greater Yellowstone has focused on biodiversity conservation education and carnivore conservation, including a book she co-edited, Carnivores in Ecosystems: The Yellowstone Experience, and the proceedings of a symposium NRCC held with Yellowstone National Park, Ecology and Conservation of Carnivores in a Changing Landscape. Peyton earned her M.F.S. in wildlife ecology from the Yale School of Forestry and Environmental Studies.
Lance Craighead, Vice President
Lance is executive director of the Craighead Environmental Institute in Bozeman, Montana. He is also an adjunct assistant professor of biological sciences at Montana State University. Lance develops GIS-based Conservation Area Designs using current approaches of representation, special elements, and focal species analyses, including viability and connectivity analyses of key carnivore umbrella species in Montana, Wyoming, Alaska, and British Columbia.  
Matt Hall, Secretary
Matt is a former president and chief operating officer of Pardee Resources Company, a
natural resource land company in the Appalachian region. In addition to his experiences with natural resources issues, Matt brings a broad legal perspective. He has served as general counsel for the University of Pennsylvania and practiced law in Seattle.
Paul-Bendiks Walberg, Treasurer
Paul is Deputy Director of the Center for Biodiversity Conservation & Science at Yale University, and Co-founder and project director of Online Access to Research in the Environment (OARE), an international consortium providing scientific research to the developing world. Paul has worked with the United Nations Development Program, the Government of Belize, The Nature Conservancy, and the Wildlife Conservation Society. Prior to attending graduate school at Yale, Paul was a Senior in the Technology, Communications and Entertainment group of Ernst &Young LLP in San Jose and Palo Alto, California.
Garry Brewer
Garry rejoined Yale University’s faculty in 2001 as the Frederick K. Weyerhaeuser Professor of Resource Policy and Management, a joint appointment between the School of Management and the School of Forestry & Environmental Studies. Brewer also directs Yale’s Environment Management Center. He has written extensively about organizational complexity and behavior, computer applications to social and national security problems, political and economic development, strategic planning and environmental management.
Denise Casey (Emeritus Board)
Denise is a graduate of the geography department, University of Wisconsin-Madison, and a former librarian. She has published children’s books on black-footed ferrets, prairie dogs, big birds, American martens and weather. Denise co-authored, with Tim Clark, Tales of the Grizzly (1992) and Tales of the Wolf (1996), anthologies of stories dating back to the mid-1700s on encounters with these species in the wild. Denise is also a skilled biological illustrator and artist.
Susan G. Clark (Emeritus Board)
Susan is professor (adjunct) of wildlife ecology and policy at Yale University’s School of Forestry and Environmental Studies. Her research interests include endangered species, large carnivores, and large-scale natural resource management policy. Among Susan's recent books are Averting Extinction: Reconstructing Endangered Species Recovery (1997), Carnivores in Ecosystems: The Yellowstone Experience (1999, co-edited), Foundations of Natural Resource Policy and Management (2000, co-edited), The Policy Process (2003), and Coexisting with Large Carnivores (2005, co-edited with Murray Rutherford & Denise Casey).
Jon Hirtle
Jon is the Chief Executive Officer of Hirtle, Callaghan & Co., a Philadelphia-based organization of chief investment officers with offices around the country. Prior to founding Hirtle Callaghan in 1988, he spent six years with Goldman Sachs and seven years in the United States Marine Corps. An avid outdoorsmen, Jon's interest in conservation was inspired early in life by the writings of Aldo Leopold and Rachel Carson (who was born in Springdale, Pennsylvania, Jon's hometown). Jon has been traveling and working in the Yellowstone region since 1969 and he spends several months each year in Jackson Hole, Wyoming.
Catherine Patrick
Cathy was employed by the Brookfield Zoo from 1983-1990 primarily as senior animal keeper of the Australia House. Since 1995 she has been a volunteer animal keeper and veterinary clinic assistant at Willowbrook Wildlife Center in Glen Ellyn, a wildlife rehabilitation and education facility. Cathy has traveled widely and worked on diverse wildlife conservation projects, specifically in Australia on endangered species.