Laurence Steinberg, Ph.D. is the world’s leading expert on adolescence. Currently, he is the Distinguished University Professor of Psychology at Temple University, in Philadelphia. He is the author of approximately 400 articles and essays on development during the teenage years, and the author or editor of 17 books, including The 10 Basic Principles of Good Parenting and Adolescence, the leading college textbook on the subject. His latest book is Age of Opportunity: Lessons From the New Science of Adolescence. His research has focused on a range of topics, including adolescent brain and psychological development, risk-taking and decision-making, family and peer relationships, and school achievement. He has also written for The New York Times, The Wall Street Journal, and The Washington Post, and is a frequent guest on NPR. He is a Fellow of the American Psychological Association, the Association for Psychological Science, and the American Academy of Arts and Sciences.