Areas of Interest:

• Ancient and medieval philosophy
• Philosophy of religion

• Aristotle East and West:  Metaphysics and the Division of Christendom (Cambridge University Press, 2004;  paperback 2007)
• “Time and Eternity in the Greek Fathers,” The Thomist 70 (2006), 311-66
• “The Concept of the Divine Energies,” Philosophy and Theology 18 (2006), 93-120
• “Augustine the Metaphysician,” Orthodox Readings of Augustine, ed. Aristotle Papanikolaou and George Demacopoulos (St. Vladimir’s Seminary Press, 2008), 227-51
• “The Opuscula Sacra:  Boethius and Theology,” The Cambridge Companion to Boethius, ed. John Marenbon (Cambridge University Press, 2009), 105-28
• "Maximus the Confessor," The Cambridge History of Philosophy in Late Antiquity, ed. Lloyd Gerson (Cambridge University Press, forthcoming)

Courses taught (representative list)

• PHI 260:  Ancient & Medieval Philosophy
• PHI 503:  Aristotle & Aristotelians on the Mind
• PHI 503:  Nietzsche & the Greeks
• PHI 504:  Islamic & Jewish Philosophy
• PHI 506:  The Greek East & Latin West
• PHI 506:  Neoplatonism
• PHI 535:  Social and Political Philosophy
• PHI 545:  Philosophy of Religion
• PHI 630:  Virtue Ethics
• PHI 630:  Natural Law Ethics
• PHI 700:  Plato’s Late Dialogues
• PHI 700:  Aristotle’s Metaphysics & De Anima
• PHI 700:  Aristotle & Plotinus