Warrant Officer Don Spinks was born, raised and educated in New South Wales, Australia. He enlisted in the Australian Regular Army in January 1979 and on completion of Basic Recruit Training he was assigned to the Royal Australian Armoured Corps. On completion of Initial Employment Training he was posted to 4th Cavalry Regiment, during this posting he was promoted to Lance Corporal in 1982 and Corporal in 1985.
In 1987, he was posted to the Armoured Centre as an Instructor at Corps Training Wing. He was promoted to Sergeant in 1989 and was posted to 2nd Cavalry Regiment in Sydney where he served as a Troop Sergeant in A Squadron and Regimental Headquarters. In 1991, he was posted to the School of Armour as an Instructor Tactics and Gunnery.
He was promoted to Warrant Officer Class Two in 1992 and was posted to the Royal Military College Duntroon to educate and train officer cadets. In 1996 he was posted to 2nd Cavalry Regiment, Darwin as a Squadron Sergeant Major and Regimental Training Warrant Officer.
Warrant Officer Spinks was promoted to Warrant Officer Class One in January 1999. His Regimental Sergeant Major appointments include the 2nd Cavalry Regiment, Multi National Force and Observers – Sinai Egypt in 2004, Royal Australian Armoured Corps, 1st Brigade in 2008-2009, and Joint Task Force 633 on Operation Slipper in 2010. In 2011, he was appointed Command Sergeant Major Forces Command – Army.
In January 2007, he was awarded the Medal for the Order of Australia for meritorious service to the Royal Australian Armoured Corps and to the Multi-National Force and Observers – Sinai.
In March 2015, he was appointed as the 10th Regimental Sergeant Major of the Australian Army and commenced his appointment on 9 July 2015.
Warrant Officer Spinks is a graduate of Class 50 of the Sergeants Major Course.