His areas of competency are Medieval Philosophy, Modern Philosophy, American Pragmatism, Metaphysics, Epistemology, Latin American Philosophy and Hispanic/Latino Issues. He was a Visiting Fellow at Harvard University in 2006 and has received two prestigious grants from the National Endowment of the Humanities (2005 and 2006). He was awarded two essay prizes by the American Philosophical Association: the APA William James Prize (2003) and the APA Prize in Latin American Thought (2004). He is currently the editor of the APA Newsletter on Hispanic/Latino Issues.