Sara Keene has stepped down as one of the chief executives of Premier Public Relations to take on a role as non-executive director. Keene, who founded Corbett and Keene in 1987, will act as a consultant to the board and will continue to run Premier's personal publicity for individual celebrities including Daniel Craig, Kate Winslet, Jude Law, Sam Mendes and Kenneth Branagh. Joint chief executives Charles McDonald and Jonathan Rutter will continue in their positions, under John Reiss as chairman.