Dr. Stein is the founder of New England Neurodevelopment, LLC in Concord, Massachusetts. He was on the faculty of Boston Children’s Hospital and an instructor at Harvard Medical School from 2010 – 2016. Dr. Stein has spoken nationally and internationally regarding neurodevelopment and related disorders. He is the author of several scholarly articles, chapters and the book Supporting Positive Behavior in Children and Teens with Down syndrome, The Respond but Don’t React Method.