Dan Harris is co-anchor of ABC News' Nightline and also co-anchor of the weekend edition of Good Morning America. Before that, he was the anchor of the Sunday edition of World News. He regularly contributes stories on ABC for such shows as 20/20, World News with Diane Sawyer, (now with David Muir) and GMA. Harris has reported from all over the planet, covering wars in Afghanistan, Israel/Palestine, and Iraq, and has produced investigative reports in Haiti, Cambodia, and the Congo. He has been at ABC News for 13 years and is the recipient of Murrow and Emmy awards for his reporting. Prior to joining ABC, he was in local news in Boston and Maine. He grew up outside of Boston and currently lives with his wife, Bianca, in New York City He is the author of 10% Happier: How I tamed the Voice in My Head, Reduced Stress Without Losing My Edge, and Found Self-Help That Actually Works—A True Story.