1974, Doctorate in mechanical Engineering, RWTH Aachen. Since 1990, Chair Professor, ETH Zurich. 2003, elected Founding Rector, International Risk Governance Council. Formerly, directed research in nuclear energy and safety, PSI. Mid-2011, Executive Director, ETH Risk Center. Most recent research focusses on the analysis and optimization of complex technical systems. Has served on international committees and advisory boards. Member, Swiss Academy of Engineering Sciences. Author of numerous research papers and books. Recipient, Distinguished Affiliate Professor award, TU Munich.