Lieutenant General David Lindsay Morrison AO (born 1956) is a senior officer within the Australian Army, currently serving in the appointment of Chief of Army. David Morrison joined the Australian Army in 1979, after completing a Bachelor of Arts at the Australian National University. He graduated from the Officer Cadet School, Portsea into the Royal Australian Infantry Corps. Between 1987 and 1988, Morrison served as the Australian Instructor at the Royal Military Academy, Sandhurst, in the United Kingdom. In 1992, Morrison attended the Army Command and Staff College, Queenscliff, and was then appointed as the Brigade Major of the 3rd Brigade, based in Townsville, Queensland. During that time he took part in Operation Lagoon, acting as Chief of Staff for a multinational force that provided security to the peace conference held in Bougainville during 1994. The following year he was promoted to Lieutenant Colonel.