Major General Duncan was appointed as the inaugural Head of Cyber Warfare in January 2023. Following changes to the Australian Defence Force and the establishment of Cyber Command, she was appointed as the inaugural Commander of Cyber Command in March 2024.
Major General Duncan joined the Army in 1996. As a Signals officer she soldiered in the 1st, 3rd and 17th Brigades, the 1st Division, and on various regional and Middle East operations. She commanded the 1st Signal Regiment, which included command of Force Communication Unit X in the Middle East.
She has held senior staff appointments in the Department of Prime Minister and Cabinet, Office of the Chief of Army, Strategic Policy Division, Headquarters 1st Division/Deployable Joint Force Headquarters, Career Management – Army, and Director Future Plans and Strategy (CJ5) for the military coalition to defeat the Islamic State in Iraq and Syria (ISIS). In this role, she was also the Senior National Representative for Australian troops in Iraq. Most recently, she was the Commandant of the Royal Military College – Australia.
A graduate of the Centre for Defence and Strategic Studies, Australian Institute of Company Directors, Australian Command and Staff College, and Royal Military College – Duntroon, Major General Duncan also holds a Bachelor of Arts, a Master of Arts in Strategy and Management, and a Master of Science in Telecommunications.
Major General Duncan is married to Gavin and they have a daughter, Madison, and a son, Darcy. She is an avid cook, gardener, reader and runner.
16th International Conference on Cyber Conflict: Over the Horizon
