As a broadcasting figurehead Stewart, 53, presents ITV's London Tonight, Lunchtime News and News at 10.30pm.
He returned to ITV News as an anchor on the ITV News Channel for the 2003 Iraq War. In February 2005 He was Presenter of the Year at the Royal Television Society Television Journalism Awards.
For 11 years he presented news and current affairs for Carlton-Granada's London News Network, before the ITV merger in 2004.
His TV career started in 1976 at Southern Television and he has been a reporter, industrial correspondent, presenter and documentary maker.
Some of the highlights of his career include coverage of the fall of the Berlin Wall in 1989 and the 2004 Beslan siege tragedy. He was the first British journalist to broadcast live from the recaptured Kuwait City.