"'Sumphônein' in Plato's Phaedo." Phronesis 36 (1991): 265-276.
Review of Philosopher-Kings by C.D.C. Reeve. The Philosophical Review 101 (1992): 362-365. (View through JSTOR here.)
"Recollection and the 'Problem of the Elenchus'." Proceedings of the Boston Area Colloquium in Ancient Philosophy 10 (1994): 257-295.
"The Sophistic Cross-examination of Callicles in the Gorgias." Ancient Philosophy 15 (1995): 17-43.
"How to Discriminate between Experts and Frauds: Some Problems for Socratic Peirastic." The History of Philosophy Quarterly 12 (1995): 227-246.
Comments on Christopher Bobonich, "Plato's Theory of Goods in the Laws." Proceedings of the Boston Area Colloquium in Ancient Philosophy 11 (1995): 123-134.
"Forms, Individuals, and Individuation: Mary Margaret McCabe's Plato's Individuals." Apeiron 29 (1996): 195-213.
Method in Ancient Philosophy (editor). Oxford: Oxford University Press, 1998. (For details click here.)
Review of Euthanasia and Physician-Assisted Suicide: For and Against by Gerald Dworkin, R.G. Frey, and Sissela Bok, and Physician-Assisted Suicide: Expanding the Debate, ed. by Margaret P. Battin, Rosamond Rhodes, and Anita Silvers, eds. The Boston Review 24 (April/May 1999). (To view online click here.)
Review of Cross-Examining Socrates by John Beversluis. The Philosophical Review 110 (2001): 587-590. (View through JSTOR here.)
Review of Plato's Predecessors: The Dramatisation of Reason by Mary Margaret McCabe. Mind 112 (2003): 156-162.
"What is a Death with Dignity?" Journal of Medicine and Philosophy 28 (2003): 461-487.
"The Attractions and Delights of Goodness: Some Platonic Reflections on Internalism." The Philosophical Quarterly 54 (2004): 353-67. (Winner of the 2003 Philosophical Quarterly essay prize.)
"How to Know the Good: The Moral Epistemology of Plato's Republic." The Philosophical Review 114 (2005): 469-96.
Several articles in Alexander George, ed. What Would Socrates Do? Clarkson Potter, 2007. [Published in the UK as I am, Therefore I Think, in Holland as Wat Zou Socrates Zeggen, and in Germany as Was ist das Gegenteil von einem Löwen?]
Review of Plato's Introduction of Forms by R.M. Dancy. Philosophy in Review 27 (2010): 327-9.
Several articles in Alexander George, ed. What Should I Do? Philosophers on the Good, the Bad, and the Puzzling. Oxford: Oxford University Press, 2010.
Review of From Protagoras to Aristotle: Essays in Ancient Moral Philosophy by Heda Segvic. Princeton University Press, 2009, Polis 28 (2011).
"How Should I Be? A Defense of Platonic Rational Egoism." European Journal of Philosophy, forthcoming.