JJohn C. MaxwellJohn C. Maxwell is the author of the popular book How Successful People Think. He writes about personal growth and leadership.
SStephen R. CoveyStephen Richards Covey was the author of the non-fiction books including the best-seller, "The Seven Habits of Highly Effective People". He was also a professor at the Jon M. Huntsman School of Business at Utah State University.