European Union, Mrs. Federica Mogherini, High Representative of the European Union for Foreign Affairs and security Policy, Vice-President of the European Commission
Ukraine, Mr. Pavlo Klimkin, Minister of Foreign Affairs
Norway, Mr. Bård Glad Pedersen, State Secretary, Ministry of Foreign Affairs
Austria, Ambassador Alexander Kmentt, Director for Disarmament, Arms Control and Non-proliferation, Federal Ministry for Europe, Integration and Foreign Affairs
Chair of Group of Governmental Experts to make recommendations on possible aspects that could contribute to but not negotiate a treaty banning the production of fissile material for nuclear weapons or other nuclear explosive devices, Ambassador Elissa Goldberg of Canada
Chair of Main Committee II, Ambassador Cristian Istrate of Romania
Facilitator for the Conference on the establishment of a Middle East zone free of nuclear weapons and all other weapons of mass destruction, Ambassador Jaakko Laajava of Finland