Michael Gurian is the New York Times best-selling author of The Wonder of Boys and nineteen other books, including A Fine Young Man, The Good Son, The Wonder of Girls, and Boys and Girls Learn Differently! He is a pioneer in the fields of family development and education and has appeared on Today, Good Morning America, CNN, NPR, and in the New York Times, USA Today, Time, Newsweek, and elsewhere.

Kathy Stevens is the training director of the Gurian Institute and has worked in education, child development, and the nonprofit world for more than thirty years in programs as diverse as juvenile and adult corrections, teen pregnancy prevention, cultural competency training, domestic violence prevention, and women's issues.