Donald Hall has more than 15 years of experience in the field of psychiatry and a passion to share his faith. He is the owner of the Riverside Counseling Center and is the author of two psychiatry handbooks and numerous medical journal articles.
Paul Meier, M.D. is a psychiatrist and founder of the national chain of Meier Clinics as well as best-selling author or co-author of more than eighty books. He holds five degrees in the fields of medicine, psychiatry, and theology. Happily married, he has six children and two grandchildren.