Ph.D in Theology, Radboud Universiteit Nijmegen, 2006
Toward a Theology of Migration: Social Justice and Religious Experience. New York: Palgrave Macmillan, 2014.
“A New Way of Being Christian: The Contribution of Migrants to the Church.” In Theology, Migration and World Christianity, eds. Peter Phan and Elaine Padilla, 95-120. New York, NY: Palgrave Macmillan, 2013.
“Weapons of the Weak: Cultural Forms of Resistance and their Implications to Missionary Theology and Practice.” In Mission and Culture: The Louis J. Luzbetak Lectures, ed. Stephen Bevans, 249-274. New York: Orbis Books, 2012.
“Toward an Ethic of Risk: Catholic Social Teaching and Immigration Reform.” Studies in Christian Ethics, Vol. 24, Issue 3 (August 2011): 294-310.
An Intercultural Theology of Migration: Pilgrims in the Wilderness. Boston/Leiden: Brill Academic Publishers, 2010.