David Muir is an American journalist and anchor, best known for his ABC news program, 'World News Tonight with David Muir', as well as for the ABC News magazine '20/20', for which he serves as a co-anchor. His show, with its dramatic video footage, celebrity gossip and his animated gestures, has become the most watched newscast in America. He is also known for his Emmy-nominated series 'Made In America'. Prior to taking over 'ABC World News Tonight', he was the main substitute anchor for his predecessor Diane Sawyer. He has reported numerous primetime specials for ABC News, some recent ones being 'Breaking Point: Heroin in America' and 'Flashpoint: Refugees in America'. He has traveled around the world to cover news from Gaza, Egypt, Iran, Somalia, Japan, Peru, Ukraine, Haiti and the Gulf of Mexico. He has received multiple 'Emmy Awards', 'Edward R. Murrow Awards', as well as honors from the Associated Press.
