Cheryl Pearce joined the Australian Army as an 18-year-old and entered the first integrated training at the Officer Cadet School, Portsea, 1985. After 12 months, the course was moved to the Royal Military College at Duntroon.
After graduating as an officer, Cheryl joined the Military Police.
In 1992 and 1993, Cheryl served at Headquarters 1 Brigade at Holsworthy in New South Wales.
In 2002, Cheryl was appointed the Australian Army's Provost-Marshal and military observer with United Nations Mission of Support in East Timor (UNMISET).
From 2010 to 2012, Cheryl served as Director of Special Operations Support. She also held the positions of Commandant of the Defence Police Training Centre and Commanding Officer of the 1st Military Police Battalion.
Between 2013 and 2016, Cheryl served as the Australian Army Headquarters Chief of Staff and in 2016 was the Commander of the Australian Joint Task Force Group in Afghanistan providing training, advice and assistance to the Afghan National Defense and Security Forces as part of the Resolute Support Mission of The North Atlantic Treaty Organization (NATO).
In November 2018, Cheryl was appointed as Force Commander of the United Nations Peacekeeping Force in Cyprus (UNFICYP).
