Timothy Preso

Timothy Preso is managing attorney of the Biodiversity Defense Program. He has spent more than 20 years working to protect some of their nation’s most iconic wildlands and wildlife in the region encompassing Yellowstone and Glacier National Parks. He is a recognized expert in public lands, wildlife, and natural resources law whose work has preserved millions of acres of public lands, protected wildlife including grizzly bears and wolves, and ensured sound management of their nation’s natural environment.

Tim received a B.A. in journalism in 1987 from Oregon State University in Corvallis. He worked for four years as an award-winning reporter for a Bend, Oregon, newspaper, covering environmental issues. Tim then returned to school and graduated summa cum laude from Georgetown University Law Center in Washington, D.C., in 1994. He had the privilege of clerking for Judge Harry T. Edwards of the U.S. Court of Appeals for the D.C. Circuit before joining the D.C.-area law firm of Miller, Cassidy, Larroca & Lewin, L.L.P., in 1995. Tim worked there for nearly five years before moving to Bozeman, Montana, in 2000 to take a staff attorney position with the Northern Rockies office of Earthjustice. Tim became the managing attorney of the Northern Rockies office in 2012.