Chella Rajan is Professor and Head of the Department of Humanities and Social Sciences at the Indian Institute of Technology Madras (IIT-M). He is also Coordinator of the Indo-German Centre for Sustainability and an Associate Fellow at Tellus Institute. He has an extensive twenty-year research background in transportation, energy systems, and the institutional and political context of environmental policymaking. He is broadly concerned with the interactions among social, political, technological and environmental factors relating to sustainable development. His research has included energy and environmental scenario analyses, studies on the politics of power sector reform in developing countries, and analysis of institutional reform measures to reduce corruption. Previously, he worked at the California Air Resources Board and the International Energy Initiative, and as an independent consultant for the United Nations Development Programme.