Ms. Haidi Willmot serves in the Office of the Chief of Staff of the United Nations Department of Peacekeeping Operations / Department of Field Support. She has held a number of positions in the United Nations Secretariat, was instrumental in the establishment of the United Nations Operations and Crisis Centre, and has spent time in the field with UN missions in South Sudan and Somalia. Prior to joining the Secretariat, Ms. Willmot was the Peacekeeping Policy Officer at the Australian Mission to the United Nations, and worked as an analyst with the New Zealand Government. She previously worked in Vanuatu with the Australian Agency for International Development (AusAid) and in legal practice in Australia and throughout the island nations of the Pacific. Ms Willmot holds a BA/LLB (hons) from the Australian National University and a MPhil in International Relations from the University of Cambridge.; Mr. Ralph Mamiya has worked for more than seven years with the United Nations, most recently on the Protection of Civilians Team for the UN Department Peacekeeping Operations/ Department of Field Support. He has spent most of his career working on conflict issues in Africa, including tours with the UN peacekeeping missions in Sudan and South Sudan. He is an Adjunct Professor with the Human Rights Program at the Public Policy Institute of Hunter College in New York. Mr. Mamiya holds a Juris Doctor from Cornell Law School. ; Mr. Scott Sheeran is a Senior Lecturer in the School of Law and Human Rights Centre at the University of Essex. He is Director of the LLMs and MAs in International Human Rights at Essex, and Director of the Human Rights in Iran Unit, which provides support to the UN Special Rapporteur for Iran. He previously worked as a New Zealand diplomat and legal adviser, including in New York and Geneva, and is on the advisory council of several human rights NGOs. He holds an LLM (International Law) from the University of Cambridge and has published extensively on international human rights law, public international law, and law of the United Nations. ; Dr. Marc Weller is Professor of International Law and International Constitutional Studies in the University of Cambridge and the Director of the Lauterpacht Centre for International Law. Professor Weller has extensive experience in international high-level, high-stakes negotiations. He is a fully qualified and accredited mediator and a member of the Chartered Institute of Arbitrators. In addition to assignments in Somalia, the Balkans, and other countries, he has served as a mediator and mediation expert with the UN Department of Political Affairs on the transitions in Cote d'Ivoire and Egypt, Libya, Yemen, and Syria. Professor Weller is also the author, editor or co-editor of some 25 books and a large number of academic journal articles and book chapters.