Frank Rose received an M.Div. from the Academy of the New Church in Bryn Athyn, Pennsylvania, where he also taught. He has served as pastor to groups in England, Scotland, Wales, Holland, Belgium, France, and Canada in addition to serving at the Sunrise Chapel in Tucson, Arizona, where he co-founded the spiritual growth program upon which this book is based. He is the author of several books, including The Joy of Spiritual Growth (also co-authored with Bob Maginel). Frank and his wife, Louise, currently live in Tucson, Arizona.

Bob Maginel spent twenty-two years in the US Air Force, retiring at the rank of colonel with degrees in management (University of Texas) and science (Air Force Institute of Technology). Following his retirement, he founded Mobility Manufacturing Inc., a maker of powered wheelchairs. He and Frank Rose co-founded the Arizona Spiritual Growth Foundation, and both continue to serve on the board. Maginel currently lives in Tucson, Arizona.