What are common comorbidities with ASD and how difficult is it to differentiate these conditions from overlapping symptoms of ASD? What guidelines are there for managing agitation in autism spectrum disorder? Robyn Thom, MD, is a child, adolescent, and adult psychiatrist at the Massachusetts General Hospital (MGH) Lurie Center for Autism and co-Director of the MGH Williams Syndrome Program. She is also an Assistant Professor of Psychiatry at Harvard Medical School. She specializes in diagnosing and treating comorbid psychiatric conditions in individuals with autism spectrum disorder and other developmental disabilities including Williams syndrome. Dr. Thom's research interests include psychopharmacology, anxiety disorders, Williams syndrome, medical comorbidity in adults with autism spectrum disorder, and brain aging.