Ottmar Edenhofer is Deputy Director and Chief Economist at the Potsdam Institute for Climate Impact Research (PIK). He also is Professor of the Economics of Climate Change at the Technical University Berlin and Co-Chair of Working Group III of the Intergovernmental Panel on Climate Change (IPCC) as well as designated director of the newly founded Mercator Institute on Global Commons and Climate Change and Advisor to the World Bank in questions of economic growth and climate protection. At PIK he is leading Research Domain III - Sustainable Solutions - that focuses on research in the field of the Economics of Atmospheric Stabilisation. He is member of the Science-Industry Cooperation and member of the German National Academy of Sciences Leopoldina, Workgroup Climate, Energy and Environment. He has published articles in Science, Nature, Energy Journal, Climatic Change, Energy Economics, Energy Policy and other peer-reviewed journals and authored a number of books. He was a Lead Author for the Fourth Assessment Report of the IPCC from 2004 until 2007 and recently co-edited the IPCC Special Report on Renewable Energy Sources and Climate Change Mitigation (SRREN). Ottmar Edenhofer’s research explores the impact of induced technological change on mitigation costs and mitigation strategies, as well as the design of instruments for climate and energy policy and the science-policy interface.