Meg Jay, PhD, is a Clinical Psychologist and an Associate Professor of Human Development at the University of Virginia. She earned a doctorate in clinical psychology and in gender studies from the University of California, Berkeley.

Her books The Defining Decade, Supernormal and The Twentysomething Treatment have been translated into more than a dozen languages and her work has appeared in the New York Times, Wall Street Journal, Harvard Business Review and on NPR and BBC. Her TED talk 'Why 30 is Not the New 20' is among the most watched to date.