Ronald Leaf, Ph.D. is a licensed psychologist with over forty years of experience in the field of Autism Spectrum Disorder and Developmental Disabilities. Dr. Leaf began his career working with Ivar Lovaas while receiving his undergraduate degree at UCLA. Subsequently he received his doctorate under the direction of Dr. Lovaas. During his years at UCLA he served as Clinic Supervisor, Research Psychologist, Interim Director of the Autism Project and Lecturer. Dr. Leaf has consulted to families, schools, day programs and residential facilities on a national and international basis. Ron is the Director of Autism Partnership and Behavior Therapy and Learning Center. Dr. Leaf has published extensively in research journals, has written 4 books, and is considered a world authority on behavioral management.