External Advisory Board

John Constantino, M.D., is a Blanche F. Ittleson Professor of Psychiatry and Pediatrics and Director of the William Greenleaf Eliot Division of Child and Adolescent Psychiatry at Washington University School of Medicine in St. Louis

Tony Green is a former journalist, competitive athlete, currently semi-retired and working in the Pinellas County school system while playing music on the side (guitar). A 1999 NAJP Arts Journalism Fellow (Columbia U), he has worked music and sports beats for newspapers (Tampa Bay Times, Gannett Newspapers, Riverdale Press in the Bronx), and freelanced for the Village Voice, Spin, Vibe, Rolling Stone, JazzTimes and Slate among others. Tony was diagnosed with autism four years ago at 58, which helped him to contextualize his marital and family history. He was born in Yonkers, NY, and attended the prestigious Riverdale Country School in the Bronx.

Marissa Mitchel, M.S., CCC-SLP, is a speech-language pathologist and researcher at the Geisinger Autism & Developmental Medicine Institute. Although she has worked with children with neurodevelopmental disorders for many years, her perspective broadened when her son was diagnosed in 2021 with NRXN1 disorder/2p16.3 deletion. She strives to support and advocate for children with rare genetic disorders by strengthening the bridge between researchers, clinicians, and families. She lives in Lewisburg, PA with her husband and three children.

Zack Williams is an autistic M.D./Ph.D. candidate at Vanderbilt University School of Medicine, as well as an affiliate of the Vanderbilt Kennedy Center and Vanderbilt’s Frist Center for Autism and Innovation. He received his undergraduate degree in psychology at Yale University and is currently pursuing a joint Ph.D. in neuroscience and hearing & speech sciences. He is the co-chair of the International Society for Autism Research (INSAR) Autistic Researchers Committee and the Vice-chair of ANSWER (Autistic & Neurodivergent Scholars Working for Equity in Research) within the Autism Intervention Network on Physical Health (AIR-P). His research focuses on the sensory manifestations of autism in adulthood, the assessment and treatment of co-occurring physical and mental health problems in autistic adults, and the development of novel questionnaires and clinical measures to assess core and associated features of autism across the lifespan. As a psychiatrist-in-training, he hopes to specialize in the treatment of autistic adults with mood disorders and additional mental health conditions, working to develop evidence-based treatments and care pathways for this specific population. You can follow him on Twitter at @QuantPsychiatry.