Tae Joon Ahn primarily practises in international arbitration and cross-border litigation, drawing on his experiences as a judge for three years and working for the Permanent Court of Arbitration (PCA) in The Hague for one year. As a judge, Mr Ahn dealt with a wide range of matters, such as civil, criminal, injunction, mediation and bankruptcy cases. In addition, he acquired extensive knowledge and practical experience in international dispute resolution while studying at the London School of Economics and Political Science, and working for the PCA. This led to his expertise in diverse areas of dispute resolution practice and legal theory, including domestic and foreign court proceedings, and international arbitration proceedings. In particular, he is well versed in investment arbitration.