미국 Asbury Theological Seminary(M.Div.) 미국 Wayne State University(Ph.D.) 현, 미국 Liberty University 철학 교수 [저서] Did the Resurrection Happen?: A Conversation with Gary Habermas and Antony Flew (InterVarsity Press, 2009) Tennis and Philosophy: What the Racket is All About (University Press of Kentucky, 2010)