Björn Sandén is professor of Innovation and Sustainability and head of the Division of Environmental Systems Analysis at Chalmers University of Technology. He conducts research, writes and teaches on topics such as climate and technology policy, life cycle assessment, technological innovation systems and industrial transitions. He has been involved in a range of studies on renewable energy and nanotechnology concerning how technology, economics and policy can interact to induce innovation and growth of environmentally benign technologies and how unsustainable pathways can be avoided. He works interdisciplinary and cooperates with sociologists and economists as well as chemists and physicists. He frequently lectures to a wide range of audiences and takes part in discussions and debates in newspapers, radio and TV.