Dan Harris is the coanchor of Nightline and the weekend editions of Good Morning America. He regularly reports for 20/20, World News with Diane Sawyer, and the weekday editions of Good Morning America. Before joining ABC News fourteen years ago, he worked for local news outlets in Boston and Maine. He lives with his wife, Bianca, in New York City. His books 10% Happier and Meditation for Fidgety Skeptics are both New York Times best sellers.