Pasha L. Hsieh is an Associate Professor and Lee Kong Chian Fellow at Singapore Management University School of Law. He is also the Co-Chair of the Law in the Pacific Rim Region Interest Group of the American Society of International Law and an Executive Council member of the Society of International Economic Law. He has been invited by various institutions such as the European Parliament and the Singapore Judicial College to present on trade law issues. Prior to joining academia, he served as a Legal Affairs Officer at the WTO Appellate Body Secretariat and as an associate at Shearman & Sterling LLP. Bryan Mercurio is Professor, Associate Dean (Research) and Vice Chancellor's Outstanding Fellow of the Faculty of Law at the Chinese University of Hong Kong. He is the author of one of the most widely used case books on WTO law: World Trade Law: Text, Materials and Commentary (2018, 3rd ed, with S. Lester and A. Davies) and editor of the leading collection on bilateral and regional trade agreements: Bilateral and Regional Trade Agreements (Cambridge, 2nd ed, 2016, with S. Lester and L. Bartels). He previously taught in Australia and worked in government and private practice.