Dr Cecilie Hellestveit ( is a lawyer and social scientist with a PhD in  international humanitarian law (IHL) from the University of Oslo. She has been associated with a number of research institutes in Norway (PRIO, SMR / UIO, NUPI, IKOS, ILPI) and abroad (including the Max-Planck Institute for the Supreme Court of Recht und Völkerrecht in Heidelberg, the Atlantic Council in Washington, Faculty of Law at Hebrew University in Jerusalem, Institute of Applied Ethics in Saarbrucken). Hellestveit researches and teaches in the field of international law, use of force, and armed conflicts. She has been a member of the Immigration Commission (including Stornemnd), REK- Helse Sørøst, and board member of the Refugee Council. She has had monthly foreign policy columns in a number of Norwegian newspapers, including Bergens Tidende, Morgenbladet (2006-2015), and Dagens Næringsliv. She recently published a book on Syria (A great war in a small world). Hellestveit is also a member of the Council on Ethics for the Government Pension Fund Global.

Dr Kjølv Egeland ( holds a DPhil (PhD) in International Relations from Oxford University (Wadham College) and a Master’s degree (MPhil) in Peace and Conflict Studies from the University of Oslo. He was a consultant at the International Law and Policy Institute from 2013 to 2017. His current research explores the evolution of the institutional architecture for multilateral nuclear disarmament and the conditions for change in international politics. He has published peer-reviewed articles in a range of journals, including Nordic Journal of International Law, Critical Studies on Security, Global Change, Peace and Security, Internasjonal Politikk and Nytt norsk tidsskrift. He has also written for weekly newspapers and magazines, including New Internationalist, Bulletin of the Atomic Scientists, and Morgenbladet. He is a regular contributor to the Norwegian cultural journal Samtiden.

Dr Gro Nystuen ( (cand. jur and dr. juris) is an international lawyer with a doctorate from 2004 in public international law, with a special focus on human rights law and necessity. She worked in the Norwegian Ministry for Foreign Affairs from 1991 to 2005. In addition to a number of topics covered by public international law and treaty law in general, she has worked in particular with international humanitarian law and the law of armed conflict, arms export control law, disarmament law and arms control law, constitutional law, peace agreements, human rights, international criminal law, and procedural law. Nystuen has taken part in the negotiations of a number of treaties and participated in a several international multi-stakeholder diplomatic processes. She is an expert on international/multilateral legal procedure for international conferences and negotiation processes within the UN as well as other international forums. Nystuen has  also worked on a number of issues related to corporate social responsibility and business and human rights. She has published extensively on the above issues.

Torbjørn Graff Hugo ( holds a master’s degree (MPhil) in Peace and Conflict Studies from the University of Oslo. Hugo has extensive practical and theoretical experience from multilateral policy work and global advocacy. Between 2011 and 2017, he worked at the International Law and Policy Institute (ILPI), primarily on nuclear weapons policy, and since 2014 as project coordinator of ILPI’s WMD project. Hugo has previously worked for the Norwegian Ministry of Foreign Affairs, and has also been attached to the Peace Research Institute Oslo (PRIO). He works as a consultant for the United Nations Institute for Disarmament Research (UNIDIR).

Dr Stuart Casey-Maslen is an Honorary Professor at the University of Pretoria’s Human Rights Centre. He holds a doctorate in international humanitarian law and master’s degrees in international human rights law and forensic ballistics. Recent publications include Hague Law Interpreted: The Conduct of Hostilities under the Law of Armed Conflict, published by Hart in September 2018, and Drones and Other Unmanned Weapons Systems under International Law, a co-authored work published by Brill in August 2018. His legal commentary on the Treaty on the Prohibition of Nuclear Weapons was published by Oxford University Press in January 2019, and International Disarmament Law: A Practical Guide, co-authored with Tobias Vestner of the Geneva Centre for Security Policy, was published by Routledge in June 2019.