"Elemental Hylomorphism in Aristotle’s Meteorology IV," Society for Ancient Greek Philosophy, Fordham University, Oct.. 2009

"Backyard Biology and Aristotle on the Unity of Form," Society for Ancient Greek Philosophy, Fordham University, Oct.. 2008

"Parts, Wholes, and Platonic Teleology," Philadelphia Ancient Philosophy Colloquium, Saint Joseph's University, Feb. 2008

"Aquinas on the Modes of Predication: Deriving the Aristotelian Categories," 1st  GPMR Workshop on Logic and Semantics, Bonn, Germany, June 2007

"Ontological Categories: What They Are and What They Aren't," Eastern Pennsylvania Philosophy Association, King's College, Apr. 2007

"Reanalyzing Russell's Analyses," Mind2006, University of Sussex, poster, June 2006