Mark BertinMark Bertin, MD, is a developmental behavioral pediatrician in private practice in Pleasantville, NY. He is an assistant professor of pediatrics at New York Medical College, on the faculty of the Windward Teacher Training Institute, and on the editoral board of Common Sense Media. His blog regarding topics in child development, mindfulness, and family is available through huffingtonpost.com, psychologytoday.com, and elsewhere.Foreword author Ari Tuckman, PsyD, MBA, is a clinical psychologist in private practice in West Chester, PA, specializing in the diagnosis and treatment of ADHD. He presents frequently on ADHD and related topics to both professionals and members of the public. Read More Read Less