He received a Ph. D. in the Collaborative Program in Ancient and Medieval Philosophy at the University of Toronto in 2003, and was awarded a fellowship from the National Endowment for the Humanities in 2006. He is the author of Aristotle on Teleology (Oxford University Press, 2005), ‘Authenticating Aristotle’s Protrepticus’ (with D. S. Hutchinson, in Oxford Studies in Ancient Philosophy, 2005), and other essays on ancient philosophy, including contributions to The Cambridge Companion to Lucretius (2008) and The Cambridge Companion to Aristotle’s Nicomachean Ethics (2014).