Susan Coyle was born in Kyogle, NSW on 21 May 1970. After completing a Bachelor of Science degree at the Australian Defence Force Academy she graduated from the Royal Military College in 1992 into the Royal Australian Corps of Signals. She has worked at the tactical, operational and strategic level in a variety of command and staff appointments including Commander Joint Task Force 633, Commander 6th Brigade, inaugural Commander Task Group Afghanistan, and Commanding Officer 17th Signal Regiment.
Major General Coyle has received a Distinguished Service Medal as the Deputy Commander JTF 636 / Commander Task Group Afghanistan on Operation SLIPPER / HIGHROAD, and a Conspicuous Service Cross as the Commanding Officer 17th Signal Regiment. She holds post-graduate qualifications in a Master of Strategic Studies from the United States Army War College, a Master in Organisational Development and Strategic Human Resource Management from the University of New England, and a Master of Management in Defence Studies from the University of Canberra.
Major General Coyle currently holds the appointment of Head of Information Warfare for the Australian Defence Force