Chris McCormack "Macca" was born in Sydney, Australia on April 4, 1973. He won titles and awards for his participation in sports during his school years, but initially chose education over a pro sports career and became an accountant after graduating from the University of New South Wales. He began competing professionally in 1996, and most recently, won the 2010 Ironman World Championship in Honolulu.
Tim Vandehey is a professional ghostwriter, book collaborator and "book doctor." Since 2004, he has ghostwritten or co-written more than 30 books in the self-improvement, memoir, sports, spiritual, health, business, and financial genres. They include Produced by Faith with DeVon Franklin, Running on Faith with Jason Lester, and How to Make the Rest of Your Life the Best of Your Life with Mark Victor Hansen and Art Linkletter. Tim lives on Bainbridge Island, Washington, with his wife and two daughters.