Simon started his television career in 1969 and was a producer of current affairs and music programmes for BBC and ITV. Later he ran the Campaign for Quality Television and was a founder director of Meridian, the ITV company. Simon later became CEO of the Royal Television Society and Chair of the Centre for Investigative Journalism. He is currently Chair of the Campaign for Broadcasting Equality, a charity established in 2013 to fight racial inequality in broadcasting. It has provided extensive evidence to parliamentary committees and has been widely cited and in Commons and Lords debates.