Mr. Duane Elgin is the author of Promise Ahead (2000), Voluntary Simplicity (1981 and 1993), and Awakening Earth (1993). He co-authored with Joseph Campbell and others, Changing Images of Man (Pergamon 1982). He was formerly a senior social scientist at the think-tank SRI International where he co-authored numerous studies on the long-range future such as Anticipating Future National and Global Problems. Prior to SRI, Duane worked as a senior staff member for the National Commission on Population Growth and the American Future. Duane has an MBA from the Wharton Business School and an MA from the University of Pennsylvania.