• Epistemology
• Philosophy of Language and Mind
• Early Modern Philosophy
• Philosophy of Religion

Publications:

• "Testimonial Justification: Inferential or Non-Inferential?" Forthcoming in The Philosophical Quarterly.
  
  
• "Theorizing Justification" forthcoming in Michael O'Rourke, Joseph Campbell and Harry Silverstein (eds.), Contemporary Topics in Philosophy 5: Knowledge and Skepticism. The MIT Press.
  
  
• "Liberal Fundamentalism and its Rivals." Forthcoming in Jennifer Lackey and Ernest Sosa (eds.), The Epistemology of Testimony. Oxford University Press.
  
  
• "Metaphysical Libertarianism and the Epistemology of Testimony," American Philosophical Quarterly, 2004
  
  
• "Review of Forrai: Reference, Truth and Conceptual Schemes" Notre Dame Philosophical Reviews, 2002
  
  
• "The Reliability of Testimony," Philosophy and Phenomenological Research, 2000
  
  
• "Conveying Information," Synthese, 2000
  
  
• "Transferring Knowledge," Nous, 2000
  
  
• "Defending Millianism," Mind, 1999
  
  
• "Brandom on Singular Terms," Philosophical Studies, 1999
  
  
• "What is Testimony?", Philosophical Quarterly, 1997