Dr. William Culbertson received his Psy.D. from Rutgers University. He teaches and conducts research in the area of pediatric neuropsychology, attention deficit disorder, executive functioning, and neuropsychological assessment. He is the co-author of the popular neuropsychological test of executive functioning, the Tower of London A DX. Dr. Culbertson is in full-time private practice specializing in the assessment and treatment of children and adolescents, particularly those with attention-deficit hyperactivity disorder.