 Before that, he was the Controller of BBC One for three years, the BBC's principal television channel in the United Kingdom and the youngest person to be appointed as controller of the channel.During his time at the BBC, he commissioned programmes such as "Poldark", "Doctor Who", "Strictly Come Dancing", "EastEnders" and "The Graham Norton Show", and led BBC One's coverage of the 2012 London Olympics.Cohen was born in Westminster, the son of middle-class Jewish intellectuals.