Jürgen Scheffran is Senior Research Scientist in the Program in Arms Control, Disarmament and International Security (ACDIS) and Assistant Director for Education at the Center for Advanced BioEnergy Research (CABER) at the University of Illinois at Urbana-Champaign (UIUC). He has adjunct faculty positions at the Departments of Political Science and Atmospheric Sciences. After his physics PhD at the University of Marburg in Germany he worked at the Technical University of Darmstadt, the Potsdam Institute for Climate Impact Research, and as a Visiting Professor at the University of Paris (Pantheon/Sorbonne). Research and teaching interests include: energy, environment and climate change; complex systems analysis and computer modeling; technology assessment and international security. He is coordinating the Renewable Energy Initiative at UIUC and related projects and he organized the international symposium Fueling Change with Renewable Energy, April 26/27, 2007 (see www.renewable-energy.uiuc.edu/news/symposium.php).