Ernest Sosa is Professor of Philosophy at Rutgers University. He is the author of Knowledge in Perspective (1991) and A Virtue Epistemology (2007), and co-editor (with John Greco) of The Blackwell Guide to Epistemology (1999) and other texts.

Jaegwon Kim has taught at Cornell University, Johns Hopkins University, and the University of Michigan. He is currently the William Perry Faunce Professor of Philosophy at Brown University. He has authored and edited several philosophical texts, including Supervenience and the Mind (1993) and Physicalism, or Something Near Enough (2005).

Jeremy Fantl is Assistant Professor of Philosophy at the University of Calgary. He and Matthew McGrath are writing a book entitled Pragmatic Encroachment in Epistemology.

Matthew McGrath is Associate Professor of Philosophy at the University of Missouri-Columbia. He is the author of Between Deflationism and the Correspondence Theory (2000) and is co-authoring Pragmatic Encroachment in Epistemology with Jeremy Fantl.