William Leben is a Senior Research Officer at the National Security College. William has published broadly, and his interests include climate change and security in Australia’s near region, Australian defence and foreign policy, and the future of warfighting.

William has a BA (Hons) in International and Political Studies from the University of New South Wales, Canberra and an MPhil in Development Studies from Oxford, the latter completed as a 2019 John Monash Scholar. He is an Australian Army officer seconded by Defence to the NSC. He was previously an analyst in the Climate and Security Policy Centre at the Australian Strategic Policy Institute. He has also served in a number of regimental appointments and deployed to Iraq.