Judson Brewer MD, PhD, is an internationally renowned addiction psychiatrist and neuroscientist. He is an associate professor in the School of Public Health and Medical School at Brown University. His 2016 TED Talk, 'A Simple Way to Break a Bad Habit', has been viewed more than 19 million times. He has trained Olympic athletes and coaches, government ministers and business leaders. His first book, The Craving Mind, was published in more than sixteen languages. His second book, Unwinding Anxiety, was an instant New York Times bestseller.