Shaun is an Australian public servant and defence force reservist. He holds postgraduate qualifications in international relations and national security, public administration, and psychology. 

Shaun has worked in Southeast Asia for several years and authored articles with varying publications in the field of international affairs and security. Previously, he was Branch Councillor for the Australian Institute of International Affairs and volunteered with an NGO based in PNG. Shaun currently lives and works in Canberra.