Joint Session of the Aristotelian Society and the Mind Association,  "Aristotle on the Role of Phantasia in Memory," July 11-13, 2008

Athens Institute for Education and Research, 2nd International Conference on Philosophy, "Shedding Light on Aristotle's Light Analogy,” June 4-7, 2007

Canadian Society for History and Philosophy of Science, "Lewes and the Physiological-Psychological Problem," May 29-31, 2006

Midwest American Society for Eighteenth-Century Studies, "John Locke on Soul, Person, and Man's Greatest Concernment,” October 8-10, 2004