Jennifer L. Hartstein, PsyD, is the owner of Hartstein Psychological Services, a group psychotherapy practice in New York, NY. Hartstein works with children, adolescents, and families with a wide range of psychological diagnoses, and specializes in the treatment of high-risk children and adolescents. She has received intensive training in adolescent suicide assessment, and has specialized in this population for several years, using a variety of treatment approaches, including dialectical behavior therapy (DBT). She is on the advisory board for MTV's A Thin Line, which focuses on the digital behaviors of today's young people. Additionally, she is a psychological contributor for NBC's Today Show, as well as other national news outlets. Hartstein is author of Princess Recovery: A How-To Guide to Raising Strong, Empowered Girls Who Can Create Their Own Happily Ever Afters.