Dimitri Courant is a postdoctoral researcher at Harvard University, USA. He holds a double doctorate in political science from the University of Lausanne, Switzerland, and the University of Paris 8, France. He was a postdoctoral Fung Global Fellow at Princeton University, USA.Bernard Reber is a philosopher, specializing in ethics and politics, Director of Research at the CNRS and a member of the Political Research Center at Sciences Po Paris, Cevipof, France. For over two decades, he has analyzed and helped to set up a number of deliberative experiments.