Professor Christie is the author of The Word in The Desert: Scripture and the Quest for Holiness in Early Christian Monasticism (Oxford, 1993), The Blue Sapphire of the Mind: Note for a Contemplative Ecology (Oxford, 2013), and The Insurmountable Darkness of Love: Mysticism, Loss and the Common Life (Oxford, 2022). He has been awarded fellowships from the Luce Foundation, the Lilly Foundation, and the National Endowment for the Humanities. From 2013-2015 he served as Co-director of the Casa de la Mateada study abroad program in Córdoba, Argentina, a program rooted in the Jesuit vision of education for solidarity. He lives with his family in Los Angeles. He is currently working on a book on the desert as spiritual landscape.