Stefan is a philosopher of science with broad interests in evolutionary biology,    
    ecology, the history and philosophy of psychology and the study of animal minds.
    He earned  his B.A. in philosophy from Simon Fraser University (1996), an M.Sc. in
    biology from Binghamton University (2000) and a Ph.D. in philosophy from Duke
    University (2005). Stefan worked as a postdoctoral research fellow in Biohumanities
    at the University of Queensland (2005-7) before taking his current position as
    assistant professor of philosophy at the University of Guelph (2008- ).