Dennis Sizemore

Executive Director


Dennis holds a BS from New Mexico State University in Wildlife Science and an MS from the University of Montana in Wildlife Ecology. His 40 years of conservation work experience includes law enforcement, management, education, and research. A co-founder of Round River, Dennis has served as the organization’s executive director since its inception in 1991. Dennis is a former President of The Wildlands Project and currently serves as Vice President of the Taku-Atlin Conservancy and as a board member of the Pax Natura Foundation.