Hildebrand Gregori was an Italian Benedictine monk and priest born Alfredo Gregori in Poggio Cinolfo in 1894. After joining the Sylvestrine Benedictines at the age of twelve, he was ordained to the priesthood in 1922. He rose to become the Abbot General of his congregation in 1939, operating from Santo Stefano del Cacco. Throughout his long life, which ended in Rome in 1985, he focused his spiritual efforts on the Holy Face of Jesus and dedicated himself to founding new religious institutions.