Dr. Tsai is associate professor at the Institute of Strategic and International Affairs (ISIA), National Chung Cheng University, Taiwan, where he teaches International Relations and Security Studies to graduate students. His expertise is Human Security, Security Studies, and theory of International Relations, and he has published several journal articles and books on these topics. His current research focuses on Human Security, Non-traditional Security, and International Law. He earned his Ph.D. in 2008 from the Department of Diplomacy at the National Cheng Chi University (Taiwan). He was project assistant at Office of the President (Taiwan) in 2004-2005 and a Young Fellow at the Office of the President (Taiwan) in 2003.