Francis Mading Deng is currently Deputy Rapporteur of South Sudan National Dialogue and Roving Ambassador. He formerly held the positions of Sudan’s Ambassador to the Nordic countries, Canada, and the United States; Sudan’s Minister of State for Foreign Affairs; the first Permanent Representative of South Sudan to the United Nations; Human Rights Officer in the UN Secretariat; Special Representative of the UN Secretary General on Internally Displaced Persons; and Special Advisor of the Secretary General for the Prevention of Genocide. He holds an LLB (honors) from Khartoum University and an LLM and JSD from Yale University. He has written or edited more than forty scholarly books on a wide variety of subjects and two novels on the crisis of identity in the Sudan. Dr. Deng has held senior positions in leading American universities and think tanks. Kevin M. Cahill, M.D., (1936-2022) was University Professor and Director at the Institute of International Humanitarian Affairs at Fordham University and the President of the Center for International Humanitarian Cooperation in New York City. He was also a Professor of Clinical Tropical Medicine and Molecular Parasitology at New York University and Director of the Tropical Disease Center at Lenox Hill Hospital. He served as the Chief Advisor on Humanitarian and Public Health Issues for three Presidents of the United Nations General Assembly and for the United Nations Alliance of Civilizations. His career in tropical medicine and humanitarian operations began in Calcutta in 1959; he carried out medical, relief, and epidemiological research in 70 countries in Africa, Asia, and Latin America. He wrote or edited 33 books, translated into many languages, and more than 200 articles in peer-reviewed journals on subjects ranging from public health and tropical diseases to humanitarian assistance, foreign affairs, Irish literature, and history. He held numerous Honorary Doctorates from universities around the world.