Greg Ganssle is a philosopher with the Rivendell Institute and a lecturer in the philosophy department at Yale University. He has a Ph.D. in philosophy from Syracuse University and an M.A. in philosophy from the University of Rhode Island. Published works include Thinking About God: First Steps in Philosophy (2004), God and Time: Essays on the Divine Nature (2001), and God and Time: 4 Views (2001). He has published academic papers on God's relation to Time, Free Will, and St. Augustine. Greg has served on the staff of Campus Crusade for Christ for twenty-six years.