Jason Selman is a Royal Australian Engineer officer posted to HQ 3rd Brigade.

Matthew Chapman is a Logistics Officer in the Australian Regular Army, with a background in Aeronautical Engineering and Flight Test.  He has served as a Maintenance Engineer at 20th Surveillance and Target Acquisition Regiment (now 20th Regiment, Royal Australian Artillery) and the 6th Aviation Regiment, as a Design Engineer at the Cargo Helicopter Management Unit and as a Flight Test Engineer at Army Aviation Test and Evaluation Section.  MAJ Chapman is currently the Battery Commander, Combat Service Support at 20th Regiment, Royal Australian Artillery.
 

Ken Bullman is the Command Sergeant Major Training and Doctrine at Forces Command within the Australian Army.  Prior to his appointment, he held a series of senior training establishment positions including Regimental Sergent Major of the Royal Military College - Duntroon, as well as the Regimental Sergent Major of the Royal Military College - Australia.  His background is in the Royal Australian Corps of Military Police.