Prior to that, he was a PhD candidate and lecturer at the Grotius Centre for International Legal Studies at the University of Leiden. His doctoral dissertation, entitled The United Nations, the Evolution of Global Values and International Law, was published with Intersentia in 2011. He also worked as public services coordinator at the Peace Palace Library, as international consultant for the United Nations International Law Fellowship Programme, as intern for the Appeals Chamber of the International Criminal Tribunal for Rwanda, and as intern for the Office of Legal Affairs of United Nations Headquarters.
Otto Spijkers is Professor of International Law at the China Institute of Boundary and Ocean Studies (CIBOS), Wuhan University. Previously, he was Assistant Professor of Public International Law at Utrecht University.
Otto Spijkers studied the basics of international relations at the University of Sussex. He then studied international law at the University of Amsterdam, New York University School of Law (exchange student), and the Hague Academy of International Law (2009 session). He also studied philosophy at the University of Amsterdam and the University of Malta (exchange).