Chief Military Observer and Heads of Mission
- Major General Robert Mood (Norway)
- 27 April – 20 July 2012
- Lieutenant General Babacar Gaye (Senegal) [ad interim]
- 21 July – 19 August 2012
Lieutenant General Babacar Gaye, UN Military Adviser for Peacekeeping Operations, took over a temporary command of UNSMIS to replace Major General Robert Mood of Norway whose tour of duty ended on 20 July 2012.