Daniel M. Kammen is the Class of 1935 Distinguished Professor of Energy at UC Berkeley, where he holds appointments in the Energy and Resources Group, the Goldman School of Public Policy, and the department of Nuclear Engineering. From 2010 to 2011 he worked for the World Bank, as its inaugural chief technical specialist for renewable energy and energy efficiency. Kammen is the founding director of the Renewable and Appropriate Energy Laboratory (RAEL), the co-director of the Berkeley Institute of the Environment, and director of the Transportation Sustainability Research Center. He received his undergraduate (Cornell A., B. ’84) and graduate (Harvard M. A. ’86, Ph.D. '88) training in physics. After postdoctoral work at Caltech and Harvard, Kammen was professor and chair of Science, Technology and Environmental Policy at Princeton University in the Woodrow Wilson School of Public and International Affairs (1993-98). He moved to the UC Berkeley in 1998. Kammen served as coordinating lead author for the Intergovernmental Panel on Climate Change (IPCC), which won the Nobel Peace Prize in 2007. He hosted the Discovery Channel series "Ecopolis'" and has appeared on "NOVA" as well as "60 Minutes."