Lee A. Wilkinson, PhD, NCSP, CCBT is a nationally certified and licensed school psychologist, chartered psychologist, registered psychologist, and certified cognitive-behavioral therapist. He is also a university educator and serves on the school psychology faculty at Nova Southeastern University. His research and professional writing has focused primarily on behavioral consultation and therapy, and children and adults with autism spectrum disorders. He has published widely on these topics, both in the US and internationally. Dr. Wilkinson is the author of the award-winning book, A Best Practice Guide to Assessment and Intervention for Autism and Asperger Syndrome in Schools, published by Jessica Kingsley Publishers. He is also editor of a text in the American Psychological Association (APA) School Psychology Book Series, Autism Spectrum Disorders in Children and Adolescents: Evidence-Based Assessment and Intervention in Schools, and author of the book, Overcoming Anxiety and Depression on the Autism Spectrum: A Self-Help Guide Using CBT. His latest book is A Best Practice Guide to Assessment and Intervention for Autism Spectrum Disorder in Schools (2nd Ed.).