He is now in his seventh managerial role, but was a rookie boss when he took over at the Riverside in 2001.
Former Manchester City youth-team coach Eyre only took over in the summer in his first managerial role.
Edwards took over at Prenton Park in May, his first managerial role, but won just two of 14 matches and was dismissed on Monday following a 1-0 home defeat by Plymouth Argyle.
Malky Mackay took over from Brendan Rodgers at Watford in his first full-time managerial role and looked as if he may follow the Swans boss into the Premier League via the automatic spots in November.
And Trew acknowledged that there were "question marks" over Derry's credentials because it is his first managerial role.
Irishman Dunne, 39, took over from John Ward in late September and made a promising start to his first permanent managerial role, winning four of his first seven games.
Clarke took over in June 2012, replacing Roy Hodgson who had been appointed England boss, in what was his first managerial role having previously been assistant at Chelsea, West Ham and Liverpool.
Thus he preserved for himself the role of leader, while assigning a managerial role to Mbeki.
He retired from playing in 2010 before embarking on his first managerial role with Sheffield United.
Nilsen knows his managerial role is temporary, with Christensen's long-term successor not yet identified.
