Here's what you need to know about moderator and ABC News anchor David Muir ... DuPont-Columbia Award, his bio on ABC says.

Heidi Gutman/ABC News David Muir is the anchor and managing editor of ABC World News Tonight with David Muir, the most-watched newscast in the U.S., and co-anchor of ABC’s 20/20. Muir’s ...

David Muir started at ABC News in 2003 ... to the sites of most major news events of the past couple of decades. His ...

David Muir was born in Syracuse ... Muir has a distinguished career marked by extensive international reporting. His biography on the ABC News website highlights his coverage of global hotspots ...