Since 2002 he has served as an editor of the North American edition of Communio: International Catholic Review. His book The Eschatology of Hans Urs von Balthasar: Being as Communion was published by Oxford University Press. Recent articles have addressed the doctrine of providence, the question of “Christian philosophy,” and the theological anthropology of Thomas Aquinas and Henri de Lubac. Currently he is working on the theology of the Eucharist and Christian states of life.