Ronny Deila was today named as the new manager of Celtic. The full list of current SPFL bosses is detailed below, with vacancies to be filled at Clyde and Falkirk.
Forfar's Dick Campbell, who has been in charge at Station Park for six years, is the longest-serving manager, followed by Paul Sheerin at Arbroath.
SPFL managers in order of start date:
Dick Campbell (Forfar Athletic) - May 2008
Paul Sheerin (Arbroath) - May 2010
Stuart McCall (Motherwell) - December 2010
Ally McCoist (Rangers) - May 2011
Derek Adams (Ross County) - May 2011
Jim McInally (Peterhead) - October 2011
Greig McDonald (Stirling Albion) - December 2011
Jim Jefferies (Dunfermline Athletic) - March 2012
Mark Roberts (Ayr United) - May 2012
Grant Murray (Raith Rovers) - July 2012
Ray McKinnon (Brechin City) - October 2012
Stephen Aitken (Stranraer) - October 2012
Ian Murray (Dumbarton) - November 2012
Jim Chapman (Annan Athletic) - January 2013
Jackie McNamara (Dundee United) - January 2013
Alan Archibald (Partick Thistle) - January 2013
Derek McInnes (Aberdeen) - March 2013
Alex Neil (Hamilton Academical) - April 2013
James Ward (Albion Rovers) - May 2013
Tommy Wright (St Johnstone) - June 2013
Allan Johnston (Kilmarnock) - June 2013
Jim McIntyre (Queen of the South) - June 2013
John McGlynn (Livingston) - September 2013
Gary Bollan (Airdrieonians) - October 2013
Terry Butcher (Hibernian) - November 2013
Jimmy Nicholl (Cowdenbeath) - November 2013
John Hughes (Inverness CT) - December 2013
Gary Naysmith (East Fife) - December 2013
Colin Cameron (Berwick Rangers) - January 2014
Gus MacPherson (Queen's Park) - January 2014
Barry Wilson (Elgin City) - January 2014
Barry Smith (Alloa Athletic) - January 2014
Paul Hartley (Dundee) - February 2014
Scott Booth (Stenhousemuir) - February 2014
George Shields (Montrose) - April 2014
Craig Tully (East Stirlingshire) - May 2014
Robbie Neilson (Hearts) - May 2014
Tommy Craig (St Mirren) - May 2014
Jim Duffy (Morton) - May 2014
Ronny Deila (Celtic) - June 2014
TBC - Clyde
TBC - Falkirk