Ana Gabriel Mann, M.A. earned her degree in clinical psychology before going on to serve as a celebrated educator, therapist, corporate trainer, speaker, and coach. She currently coaches Go-Giver Marriage clients and leads the Go-Giver Marriage Coaches Training Program, training coaches from around the globe.

John David Mann is coauthor of more than thirty books, including four New York Times bestsellers and five national bestsellers; his classic 2008 parable The Go-Giver (coauthored with Bob Burg) earned the 2017 Living Now Book Award’s “Evergreen Medal” given for its “contribution to positive global change.”