His main areas of teaching and research are in Foreign Policy, International Security, and Australian Politics. Previously he has been a lecturer in International and Australian Politics at both Macquarie University, and the University of New South Wales. Dr Mark is the author of The Causes of Intrastate War and Blainey's Hypothesis; Contemporary Issues in Australian Politics Reader. He is also a contributor to The Conversation and Business Spectator. BA (Hons), MA (The Australian National University), PhD (University of New South Wales).