Yurika Ishii is an Associate Professor at the National Defense Academy of Japan, where she is in charge of law of the sea and public international law courses. Her areas of interest include general public international law, the law of the sea, and international/transnational criminal law. She achieved Ph.D from the University of Tokyo, Graduate Schools for Laws and Politics with a thesis on international regulation of economic crimes, which was published as International Regulation of Transnational Crimes (Yuhikaku, 2017) (Japanese; Awarded the 51st Adachi Mineichiro Award). Her latest work includes Japanese Maritime Security and Law of the Sea (Brill, 2022). She has served as a senior consultant of the United Nations Office on Drugs and Crime, Global Maritime Crimes Programme since 2021. She has also given lectures in numerous institutions including The IMO International Maritime Law Institute.