Prof. Yasuao Sakata received her PhD at Keio University, Graduate School for Law and Political Science. She has been a Visiting Researcher at Yonsei University and George Washington University and holds currently a position at the Kanda University of International Studies (Department of International Communication). Her research interest include security politics with particular focus on the Korean peninsula and she has published widely on security cooperations and alliances between the U.S. and the ROK and Japan respectively.