Archbishop Luis F. Ladaria, a Jesuit theologian who is currently the Secretary of the Congregation for the Doctrine of the Faith, has been a professor of theology at the Pontifical Gregorian University of Rome since 1984. He was also a professor at the Comillas University in Madrid, and from 1992 to 1997 he was a member of the International Theological Commission. Since 2004 he has been the general secretary of that commission. His works have greatly contributed to contemporary theological debates.