David A. Walsh, PhD, Psychologist; Faculty, University of Minnesota; Founder, National Institute on Media and the Family; Founder, Mind Positive Parenting; Consultant, World Health Organization; Author, Smart Parenting, Smarter Kids: The One Brain Book You Need to Help Your Child Grow Brighter, Healthier and Happier (2011), No: Why Kids -of- All Ages Need to Hear it and Ways Parents Can Say It (2007) and WHY Do They Act That Way?: A Survival Guide to the Adolescent Brain for You and Your Teen (2005)