Ash Zimmerlie is an infantry officer in the Australian Army. His operational service includes Iraq, Afghanistan, Sinai, Timor Leste, the Southwest Pacific, offshore humanitarian assistance, and domestic emergency response. He has fulfilled a range of regimental, training, representational and staff appointments. He is a graduate of the Australian Defence Force Academy, Royal Military College Duntroon, University of New South Wales, and United States Marine Corps School of Advanced Warfighting. He is a distinguished graduate of the United States Marine Corps Command and Staff College. He holds a Bachelor of Arts and four master’s degrees.