David Wilkerson (1931-2011) was the founder of Teen Challenge and World Challenge and longtime senior pastor of Times Square Church. He authored more than thirty books, including the bestselling The Cross and the Switchblade and Knowing God by Name.
Kirby Heyborne is an accomplished actor, musician, and comedian who has received a number of AudioFile Earphones Awards for his audiobook narrations. He has had starring roles in over a dozen features and many short films. Kirby is also a cofounder and director of the Los Angeles-based improv comedy group The Society.