Conductor (Cdr) is an appointment held by a few selected warrant officers class 1 in the Royal Logistic Corps and is one of the most senior appointments that can be held by a warrant officer in the British Army. Previously conductor was the most senior warrant officer appointment, but it was outranked with the creation of the Army Sergeant Major appointment in 2015 following Army reforms. The appointment was also reintroduced into the Royal Australian Army Ordnance Corps for selected warrant officers class 1 in 2005.