His main area of research is Latino/a Theology. He previously served as professor of Catholic Studies and director of the Center for World Catholicism and Intercultural Theology (CWCIT) at DePaul University and held teaching and adminsitrative positions at The Catholic University of America and the University of Dallas. He received his PhD in Religious Studies at Yale University after completing a dissertation on the theology of the word of the fifteenth century Catholic thinker Nicholas of Cusa.