member of the National Academy of Sciences, Institute of Medicine, and a fellow of the American Academy of Arts and Sciences, the American Association for the Advancement of Science, and the Association for Public Policy Analysis and Management. Dr. Schelling currently serves as a member of the NRC's Commission of Geosciences, Environment, and Resources.

Theodore Tomasi is a Research Scientist in the College of Marine Studies at the University of Delaware, and a Principal in the consulting firm Environmental Economics Research Group. He earned his B.A. in environment and public policy and an M.A. in economics from the University of Colorado, and a Ph.D. in natural resource economics from the University of Michigan. Dr. Tomasi's research focuses on environmental economics with special emphasis on methods for assessing the value of nonmarket goods and services. Prior to joining the University of Delaware, he held positions at the University of Minnesota, University of Michigan, and Michigan State University. He has served as a consultant on various issues of conducting natural resource damage assessments to NOAA, the U.S. Fish and Wildlife Service, the U.S. Department of Justice, the State of Michigan, and the State of Florida.