The author, Cary Siegel, is a retired business executive. After earning his MBA from the University of Chicago, he began his career in brand management with Kraft and went on to lead several companies in marketing and sales. He has been the lead speaker at over fifty sales meetings and marketing seminars, and was honored with over twenty awards during his career. Following the principles from this book (along with hard work) allowed him to retire at the age of forty-five.