"Philosophical Inductivism and Empirical Uncertainty"
'Induction: Historical and Contemporary Approaches', 5th Ghentian Conference in the Philosophy of Science; Centre for Logic and Philosophy of Science Ghent University; July, 2008.

"Plotinus on Infinite Number."
6th annual conference of the International Society for Neoplatonic Studies; New Orleans; June, 2008.

"Species as Similarity-based Concepts: What's Wrong with Natural Kinds and Individuals."
'Carving Nature at its Joints', 11th annual Inland Northwest Philosophy Conference;
University of Idaho and Washington State University; March, 2008.

"Getting Straight Plato's Gods: The Philebus on Νοῦς and the World-soul"   
Triennial Symposium VIII of the International Plato Society; Trinity College, Dublin; July, 2007

"Response to Huffman's: 'The Early Pythagorean Conception of Soul' "
30th Annual Workshop in Ancient Philosophy; University of Texas, Austin; March, 2007

"Abstraction and Simple Ideas: Some Problems with Locke's Conceptualism"
•    Southeastern Seminar in Early Modern Philosophy; University of Richmond,
November, 2006
•    Australasian Association of Philosophy, New Zealand Division Conference; Wellington, December, 2006

Works under submission

"Plotinus on Infinite Number"

"The Corporeality of the Stoic Principles and its Consequences"