WALTER R. STAHEL founded the Product-Life Institute in Geneva. He is Head of the Geneva Association's Risk Management research and Visiting Professor at the University of Surrey and UTT (Université de Technologie de Troyes), France. A graduate of the Swiss Federal Institute of Technology in Zurich, he has authored several prize-winning papers and, with Orio Giarini, The Limits to Certainty, published in six languages.