Motherwell and Dundee United have both appointed new managers this week - here's the full list of SPFL bosses and when they took over:
SPFL managers in order of start date:
Dick Campbell (Forfar Athletic) - May 2008
Jim McInally (Peterhead) - October 2011
Jim Chapman (Annan Athletic) - January 2013
Alan Archibald (Partick Thistle) - January 2013
Derek McInnes (Aberdeen) - March 2013
Tommy Wright (St Johnstone) - June 2013
Gary Bollan (Airdrieonians) - October 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
Paul Hartley (Dundee) - February 2014
Craig Tully (East Stirlingshire) - May 2014
Robbie Neilson (Hearts) - May 2014
Jim Duffy (Morton) - May 2014
Ronny Deila (Celtic) - June 2014
Darren Young (Albion Rovers) - June 2014
Peter Houston (Falkirk) - June 2014
Barry Ferguson (Clyde) - June 2014
Alan Stubbs (Hibernian) - June 2014
Jim McIntyre (Ross County) - September 2014
James Fowler (Queen of the South) - September 2014
Stuart McLaren (Stirling Albion) - November 2014
Jim Weir (Elgin City) - November 2014
Mark Burchill (Livingston) - December 2014
Ian McCall (Ayr United) - January 2015
Martin Canning (Hamilton Accies) - January 2015
Brown Ferguson (Stenhousemuir) - February 2015
Gary Locke (Kilmarnock) - February 2015
Paul Hegarty (Montrose) - February 2015
Danny Lennon (Alloa Athletic) - April 2015
Todd Lumsden (Arbroath) - April 2015
Allan Johnston (Dunfermline Athletic) - May 2015
Ian Murray (St Mirren) - May 2015
Ray McKinnon (Raith Rovers) - May 2015
Stephen Aitken (Dumbarton) - May 2015
Brian Reid (Stranraer) - May 2015
Colin Nish (Cowdenbeath) - June 2015
Darren Dods (Brechin City) - June 2015
Mark Warburton (Rangers) - June 2015
Mark McGhee (Motherwell) - October 2015
Mixu Paatelainen (Dundee United) - October 2015