Greg Ettl is a forest ecologist who studies, broadly, the impacts of harvesting on forest ecosystems, and the response of forests to climatic change. He works to design harvest practices which are worthwhile to the harvester, enhance wildlife habitat, and help to restore historic forest conditions. His current research focuses on forest management, the delivery of ecosystem services in the Pacific Northwest. He is Director of the Center for Sustainable Forestry at the Pack Forest, UW’s 4,300-acre experimental forest.