He specializes in the therapy of younger children, couples and families as well as psychological evaluation. Dr. Barnum has 10 years of experience in this field (5 at the post-doctoral level) and is especially skilled at working with teenage boys on behavioral, psychological, emotional, and scholastic issues. His other specialty is working with young children in family and individual play therapy. He is so popular with his clients that he frequently receives personal referrals, making his schedule a bit challenging at times. He is also a highly regarded supervisor of psychologists and a popular therapist. His warm, honest, interpersonal style makes it easier for clients to become comfortable, even if this is their first time working with a therapist. He has published and presented on several topics.