Peter F. Ffolliott is a Professor on the faculties of the School of Natural Resources and Arid Lands Resource Studies, College of Agriculture and Life Sciences, University of Arizona. He holds a B.S. in Forest Management and a M. F. in Forest-Wildlife Management from the University of Minnesota and a PhD in Watershed Management and Water Resources Administration from the University of Arizona. Prior to coming to the University of Arizona in 1970, he was a Research Forester with the USDA Forest Service, Flagstaff, Arizona. Ffolliott teaches and conducts research programs in support of water resources, watershed, and other natural resources management. He is a Fellow of the Society of American Foresters, the Indian Association of Hydrologists, and the Arizona-Nevada Academy of Science and a member of other many other professional and honorary societies. Ffolliott has authored, co-authored, or jointly authored over 500 publications on the ecology, management, and appraisal of water and other natural resources programs and related topics.