Fr. Robert John Araujo S.J., before entering the Society of Jesus in 1986, served as a trial attorney and attorney advisor in the Solicitor's Office of the United States Department of the Interior, then he joined the Law Department of The Standard Oil Company and the general corporate department of a New England law firm. Since 1997, he has served as an advisor to the Holy See providing counsel on issues dealing with public international law. After teaching in many American universities He was appointed as the inaugural holder of the John Courtney Murray, S.J. University Professorship at Loyola University in July of 2009. He has coauthored a series of books on papal diplomacy and international organizations with the late Fr. John A. Lucal, S.J.