Greg Dyke

John Gapper

The appointment of Tony Hall as director-general of the BBC, succeeding the unfortunate George Entwistle, indicates how hard it is to appoint a genuine outsider to one of the most wide-ranging and complex jobs in the media.

The director-general is not only chief executive of the organisation but (now notoriously) its editor-in-chief as well. Indeed, since the job of chairman of the BBC was switched to chairing the BBC Trust, the DG is arguably chairman, chief executive and editor-in-chief. Read more