He was ordained in the United States on June 20, 1959 by Cardinal Francis Spellman at Fordham University.
He returned to the Philippines in 1965 and started his teaching career, first at the Sacred Heart Novitiate in Novaliches, Quezon City, and then in 1968 at the Loyola House of Studies in the Ateneo de Manila University compound.
He also assumed the position of Department Chair (English), Rector of the Jesuit Residence and Director of Admission and Aid.
Besides his scholarly work on Philippine studies, he also authored a number of inspirational books: Mustard Seed, Chain of Love, Jubilee and More Mustard Seed.
[3] He died due to old age on March 15, 2010, at the Jesuit Residence Infirmary at the Ateneo.