 He was ordained a priest on June 17, 1961, at Fordham University and took his final vows as a Jesuit there on August 15, 1965.He taught at Ateneo de Manila University from 1955 to 1958 and again from 1967 to 1972.He received licentiate degrees in philosophy and theology from the Jesuits' Woodstock College in Maryland and earned a doctorate in philosophy from Fordham in 1968.