Dr. Todd Cartmell received his doctorate in clinical psychology from Fuller Theological Seminary. He completed his postdoctoral training at Wright State University and the Children's Hospital in Columbus, Ohio. Dr. Cartmell works exclusively with children, adolescents, and families and specializes in the treatment of oppositional behavior, depression, anxiety, attention-deficit hyperactivity, and a wide variety of other childhood and adolescent disorders.

The author of Respectful Kids ,Keep the Siblings, Lose the Rivalry, The Parent Survival Guide and The Parent Lifesaver, Cartmell is a popular workshop speaker and regularly speaks on parenting issues throughout the country. Currently practicing in Wheaton, Illinois, Cartmell and his wife, Lora, have two sons.