Sebastian Maslow is a doctoral student at Tohoku University's Graduate School of Law where he is completing research on North Korea's impact on Japan's foreign and national security policy process. Previously, he taught at the Centre for East Asia Studies at the University of Heidelberg, Germany. Ra Mason is lecturer in Asia-Pacific Studies at the University of Central Lancashire, visiting research fellow with the Japan Society for the Promotion of Science at the University of the Ryukyus and an Honorary Fellow of the White Rose East Asia Centre, University of Sheffield. Paul O'Shea is assistant professor at the Department of Culture and Society, Aarhus University, and an honorary research fellow at the White Rose East Asia Centre.