Steven Ratuva, a political sociologist, is director of Macmillan Brown Centre for Pacific Studies and professor in the department of anthropology and sociology at the University of Canterbury, New Zealand. He has worked in a number of universities and was recently Fulbright professor at University of California (LA), Duke University and Georgetown University. He is an inter-disciplinary scholar who has published widely on security, conflict, military, elections, development, affirmative action, ethnicity, nationalism, social protection and culture, including as editor-in-chief of the Palgrave Global Handbook on Ethnicity. Radomir Compel is associate professor of comparative politics at Nagasaki University. He is the co-author of Hito to Kaiyo no Kyosei wo Mezashite VI (2013), Ashida Hitoshi Nikki 1905-1945 V(2012), and has published articles on wartime and post-war Okinawa and Japanese– American relations. He obtained Ph.D. from Yokohama National University, and previously taught at a number of universities including Hosei University, and Nihon University. Sergio Aguilar has a PhD in history and is Associated Professor in International Security at São Paulo State University (UNESP) – Brazil. He was visiting researcher at the University of Oxford, United Kingdom and has published widely on security, conflict, and peacekeeping operations.