Andrea Bianchi is Professor of International Law at the Geneva Graduate Institute. His areas of interest include interpretation, international law theories, the production of knowledge, and the invisible structures and the unsaid of international law. He is the author of International Law Theories – An Inquiry into Different Ways of Thinking (2016), and the editor/co-editor of: International Law's Invisible Frames – Social Cognition and Knowledge Production in International Legal Processes (co-edited with Moshe Hirsch, 2021); Interpretation in International Law (co-edited with Dan Peat and Matt Windsor, 2015); and Transparency in International Law (co-edited with Anne Peters; CUP, 2013). Fuad Zarbiyev is Professor of International Law at the Geneva Graduate Institute. His areas of interest include international adjudication, the concept of authority, critical theory and sociological approaches to international law.