Carlos José Errázuriz is Ordinary Professor of Canon Law at the Pontifical University of the Holy Cross (Rome). He is a priest of the Prelature of Opus Dei and holds doctorates in both canon law and civil jurisprudence (University of Navarra, both). Former dean of the faculty, he specializes in the philosophy of law and fundamental theory of canon law and is a consultant with various entities of the Roman Curia (Vatican City). His earlier work, Justice in the Church: A Fundamental Theory of Canon Law, is considered a staple in both study and practice of ecclesiastical law.