In pictures: Tony Mowbray's tenure at Celtic

17/06/10: Tony Mowbray is unveiled as Celtic manager, with John Reid (left) and Peter Lawell.

18/08/09: Mowbray looks on with Arsenal boss Arsene Wenger during the first leg of their Champions League qualifying play-off. Celtic went out 5-1 on aggregate.

04/10/09: Rangers goalscorer Kenny Miller is congratulated by teammates after scoring the winner in Mowbray's first Old Firm match at Ibrox, which ended 2-1 to the home side.

20/12/09: Ismael Bouzid heads Hearts into the lead on their way to a 2-1 over Celtic at Tynecastle.

03/01/10: Lee McCulloch (left) celebrates scoring in the 1-1 New Year's Old Firm derby at Celtic Park.

16/01/10: Mowbray contemplates another disappointing result: a 1-1 draw at home with Falkirk.

27/01/10: Hibs' Danny Galbraith celebrates scoring the winner in his side's shock 2-1 win at Celtic Park.

02/02/10: Celtic debutant Robbie Keane reflects his decision to move north after a missed chance during their 1-0 defeat away to Kilmarnock.

13/02/10: Mowbray can't bear to watch as his side throw away the lead to draw 4-4 in Aberdeen.

28/02/10: Rangers' Maurice Edu is congratulated by teammate Kris Boyd after his injury-time winner in the Old Firm derby - a goal that effectively killed off Celtic's title hopes.

24/03/10: Mowbray looks resigned as Celtic concede four goals without reply at St Mirren, their biggest loss to anyone except Rangers in decades.