Mathias NebelMathias Nebel is professor of social ethics and Catholic social thought and research director of the Instituto Promotor del Bien Comun at the Universidad Popular Autonoma del Estado de Puebla (UPAEP, Mexico). He was previously professor of moral theoogy at the Institut Catholique de Paris. Thierry Collaud is a medical doctor, medical ethicist and catholic theologian. He practiced medicine as a general practitioner during 20 years while being active in medical ethics continuous education. He is currently professor of Christian social ethics at the university of Fribourg, Switzerland. Read More Read Less