Michael Siegrist is a Professor for Consumer Behaviour at the Institute for Environmental Decisions (IED), ETH Zurich, Switzerland. Prof. Siegrist studied Psychology, Economics and Mass Communication at the University of Zurich. Siegrist is an Associate Area Editor of the journal Risk Analysis and an Executive Editor of the journal Appetite. He has published numerous articles about risk perception, trust, risk communication, food behaviour and environmental decision making. His research focuses, at the moment, on the acceptance of different energy systems, climate change issues, sustainable food consumption and food hazards.