Steven M. Prinz, M.D., is a psychiatrist and Medical Director at Linden Oaks Hospital, Napierville, Illinois.
Margaret Wehrenberg, Psy.D., is a licensed psychologist in private practice and a popular public speaker. She is the author of The Anxious Brain, The 10 Best-Ever Anxiety Management Techniques, and The 10 Best-Ever Depression Management Techniques. She lives in St. Louis, Missouri.