Dave is a professor in the Wildlife Biology Program at the University of Montana in Missoula. His applied science includes all aspects of sage grouse ecology and management. Examples include his evaluations of energy development impacts on sage grouse populations, the topic of his book with Island Press, and his work with sage grouse and West Nile virus. Dave serves as USDA Science Advisor to SGI, where he directs science-based evaluations that quantify the biological response of sage grouse to conservation to assess program effectiveness and adaptively improve field delivery.