Professor of Theology at the Regional Center for Theological Studies of Aragon (CRETA), of the Pontifical University of Salamanca in the 70s and 80s, and the Central American University of Managua (UCA) during the 80s and 90s.
He has directed the anthology series: «Of the many ways of God»[REF] (Abya Yala, Quito, Ecuador), with the participation of more than 70 theologians.