Catherine Lord, Ph.D. is a licensed clinical psychologist with specialties in diagnosis, social and communication development and intervention in autism spectrum disorders (ASD). She is renowned for her work in longitudinal studies of children with autism as well as for her role in developing the autism diagnostic instruments used in both practice and in research worldwide today. She has also been involved in the development of standardized diagnostic instruments for ASD with colleagues from the United Kingdom and the United States (the Autism Diagnostic Observation Schedule (ADOS) an observational scale; and the Autism Diagnostic Interview – Revised (ADI-R) a parent interview), now considered the gold standard for research diagnoses all over the world. Dr. Lord completed degrees in psychology at UCLA and Harvard, and a clinical internship at Division TEACCH at the University of North Carolina at Chapel Hill. Dr. Lord’s work at the Center for Autism and the Developing Brain involves continued research in validity and longitudinal studies, early diagnosis of children with autism, and regression in children with autism and clinical evaluations and diagnoses of children and adults who may have autism.