College of Forestry

Bill Ripple

Dr. Bill Ripple is a professor in the Department of Forest Ecosystems and Society as well as the Director of the “Trophic Cascades Program” at Oregon State University. His research involves studying the ecological effects of wolves and other large predators in western North America and other regions of the world. During the last 15 years, Dr. Ripple has conducted numerous field studies in Yellowstone National Park researching how the presence of wolves is changing that ecosystem.  He has published over 125 scientific articles of which 60 are on the topic of how predators affect ecosystems. He has worked extensively communicating scientific results to the public via the mass media and documentary films.