Paul Raskin is founding director of Tellus Institute, which has conducted 3,500 projects throughout the world since 1976. He also founded the Global Scenario Group, an influential international body, the Great Transition Initiative that carries forward and communicates the scenario work through an expanding global network, and the Stockholm Environment Institute’s North American center. His research has centered on environmental policy, energy systems, freshwater sustainability, and climate change, and he has designed several widely-used planning models. In the last decade, he has focused on integrated long-range scenarios at global, regional and national scales. He has published numerous articles, three books, and served as a lead author for the International Panel on Climate Change, Millennium Ecosystem Assessment, United Nations Environment Program’s Global Environmental Outlook, and the U.S. National Academy of Science Board on Sustainable Development. Raskin holds a doctorate in theoretical physics from Columbia University.