The Week: People news - Muir leaves WPP for No 10

David Muir, the WPP stalwart and chief executive of its Channel division, is quitting the holding company for a job at 10 Downing Street.

Muir, who joined Ogilvy as a graduate trainee in 1992, is taking up the role of director of political strategy for Gordon Brown's Government. He will work closely with Stephen Carter, another WPP alumnus, who took up the position of chief of strategy and principal advisor to the Prime Minister in January.