Born in New York in 1964, Prof. Martin Schlag is an Austrian and American citizen. He obtained his degree in jurisprudence from the University of Vienna and holds doctorates both in law (1989) and in theology (1998). Lawyer and theologian, he was ordained a priest in 1996. Consequent upon his pastoral work in Vienna, in 2008 he became a professor of the Social Doctrine of the Church at the Pontifical University of the Holy Cross. In 2012, he was nominated consultor to the Pontifical Council for Peace and Justice.
He is the Academic Director of the Research Centre Markets, Culture and Ethics at the Pontifical University of the Holy Cross.
Fr. Robert Gahl is an Associate Professor of Ethics at the Pontifical University of the Holy Cross. A native of Milwaukee, Wisconsin, he studied chemical engineering at Washington University in St. Louis and then went to Silicon Valley where he worked with control software of electron beam lithography systems. After studies in graduate philosophy at the University of Navarre, Spain, he finished his doctorate in Rome at the Pontifical University of the Holy Cross and did postdoctoral research at the University of Notre Dame. Fr. Gahl, a priest of the Prelature of Opus Dei, was ordained to the diaconate by Bishop Alvaro del Portillo and to the priesthood by Pope John Paul II in the Basilica of St. Peter. A professor at the Pontifical University of the Holy Cross since 1991, he has published on natural law theory, sexual ethics, moral action, and the narrative structure of the moral life. Interviews and comments by Father Gahl regarding ethics and religious affairs have appeared in The New York Times, The Washington Post, Newsweek, La Presse, The National Catholic Reporter, The National Catholic Register, Relgion News Service, Cox News Service, Catholic News Service, and AP, as well as Fox News, CNN, CBS, BBC World, Sky News, AP TV, EWTN, and Vatican Radio. In addition to Italy and the USA, he has lectured in Spain and Kenya.