Moderator: Jean du Preez, Chief, External Relations and International Cooperation Section, LEG/REL, CTBTO Panellists: - Lord Des Browne, Vice Chairman, Nuclear Threat Initiative, former Defence Secretary of the United Kingdom and member of the Group of Eminent Persons (GEM) - Ambassador Don MacKay, former Permanent Representative of New Zealand to the United Nations in Geneva - Dr Rebecca Johnson, Executive Director, Acronym Institute