Nick Davies is an investigative journalist, writer and documentary maker.

He has made documentaries for ITV's World in Action and written numerous books on the subject of politics and journalism, including Flat Earth News, which attracted considerable controversy as an exposé of journalistic malpractice in the UK and across the globe. As a reporter for the Guardian, Davies was responsible for uncovering the News of the World phone hacking affair, including the July 2011 revelations of hacking into the mobile phone voicemail of the murdered schoolgirl Milly Dowler.