Selected Statements from the CTBTO
| Date | Statements by Robert Floyd, Executive Secretary | PDF/VIDEO |
| 2026 | ||
| 31 August 2026 | Statement by Dr Robert Floyd at the High-Level Meeting of the General Assembly to Commemorate and Promote the International Day against Nuclear Tests | [PDF] |
| 29 August 2026 | Joint Statement by H.E. Mr. Yermek Kosherbayev, Minister of Foreign Affairs of the Republic of Kazakhstan and Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) | [PDF] |
| 27 August 2026 | Op-ed by Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) "Less Testing Was a Choice. So is the Future." | [PDF] |
| 27 April 2026 | Statement by Executive Secretary Robert Floyd at the Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) New York, United States | [PDF] |
23 February 2026 | Statement by the Executive Secretary Robert Floyd at the Conference on Disarmament - Geneva, Switzerland | [PDF] |
| 17 February 2026 | Statement by Robert Floyd, Executive Secretary of the CTBTO | [Web] |
| 6 February 2026 | Statement by Robert Floyd, Executive Secretary of the CTBTO | [Web] |
| 2025 | ||
| 30 October 2025 | Statement by Robert Floyd, Executive Secretary of the CTBTO | [Web] |
| 26 September 2025 | Statement by the Executive Secretary Robert Floyd at the 14th Conference on Facilitating the Entry into Force of the CTBT (Article XIV) Conference | [PDF] |
| 9 September 2025 | SnT2025 Opening Speech 'People, Technology, Responsibility' by Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) | [PDF] |
| 29 August 2025 | Joint Statement by H.E. Mr Murat Nurtleu, Deputy Prime Minister and Minister of Foreign Affairs of the Republic of Kazakhstan and Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) | [PDF] |
| 29 August 2025 | Joint Op-ed by H.E. Mr. Philémon Yang, President of the 79th session of the United Nations General Assembly, and Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO). | [PDF] |
| 2024 | ||
| 11 November 2024 | Statement by the Executive Secretary Robert Floyd at the 63rd Session of the Preparatory Commission | [PDF] |
| 24 September 2024 | Statement by the Executive Secretary Robert Floyd at 11th Ministerial Meeting of “Friends of the CTBT” | [PDF] |
| 23 September 2024 | Statement by the Executive Secretary Robert Floyd at the Summit of the Future, General Assembly, 6th plenary meeting, 79th session | [PDF] |
| 04 September 2024 | Statement by the Executive Secretary Robert Floyd at the High-Level Meeting of the General Assembly to Commemorate and Promote the International Day against Nuclear Tests | [PDF] |
| 29 August 2024 | Joint Op-Ed by Ambassador Dennis Francis, President of the 78th UN General Assembly and Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization. | [PDF] |
| 29 August 2024 | Joint Statement by H.E. Mr Murat Nurtleu, Deputy Prime Minister and Minister of Foreign Affairs of the Republic of Kazakhstan and Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization | [PDF] |
| 31 May 2024 | Statement by the Executive Secretary Robert Floyd at the CTBTO regional workshop for State Signatories of the African region | [PDF] |
| 18 March 2024 | Statement by the Executive Secretary Robert Floyd at the Security Council Meeting on Nuclear Disarmament and Non-Proliferation - New York, USA | [PDF] [VIDEO] |
| 26 February 2024 | Statement by the Executive Secretary Robert Floyd at the Conference on Disarmament - Geneva, Switzerland | [PDF] |
| 2023 | ||
| 18 October 2023 | Statement by the Executive Secretary Robert Floyd 18 October 2023 | [PDF] |
| 9 October 2023 | Statement by the Executive Secretary Robert Floyd 9 October 2023 | [PDF] |
| 6 October 2023 | Statement by the Executive Secretary Robert Floyd 6 October 2023 | [PDF] |
| 22 September 2023 | Statement by the Executive Secretary Robert Floyd at the 13th Conference on Facilitating the Entry into Force of the CTBT (Article XIV) Conference | [PDF] |
| 29 August 2023 | Statement by the Executive Secretary Robert Floyd at the High-Level Meeting of the General Assembly to Commemorate and Promote the International Day against Nuclear Tests | [PDF] |
| 29 August 2023 | Joint Statement by H.E. Mr Murat Nurtleu, Deputy Prime Minister and Minister of Foreign Affairs of the Republic of Kazakhstan and Dr Robert Floyd, Executive Secretary of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) | [PDF] |
| 19 June 2023 | Statement by the Executive Secretary Robert Floyd at the opening of the CTBTO Science and Technology Conference (SnT2023), Hofburg Palace, Vienna, Austria | [PDF] |
| 2022 | ||
| 3 October 2022 | Statement by the Executive Secretary Robert Floyd at the opening of the International Workshop on National Data Centres - Toledo Conference Centre “El Greco,” Spain | [PDF] |
| 21 September 2022 | Statement by the Executive Secretary Robert Floyd at the Tenth Ministerial Meeting of Friends of the CTBT | [PDF] |
| 8 September 2022 | Statement by the Executive Secretary, Robert Floyd at the High-Level Meeting of the General Assembly to Commemorate and Promote the International Day against Nuclear Tests | [PDF] |
| 29 August 2022 | Joint Statement by H.E. Mukhtar Tileuberdi, Deputy Prime Minister and Minister of Foreign Affairs of the Republic of Kazakhstan and Executive Secretary Robert Floyd | [PDF] |
| 5 August 2022 | Statement by the Executive Secretary Robert Floyd to the Tenth Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) | [PDF] |
| 1 March 2022 | Statement by the Executive Secretary Robert Floyd at The Conference on Disarmament High-level Segment | [PDF] |
| Date | Statements by Lassina Zerbo, Executive Secretary | |
| 2020 | ||
| 23 Nov 2020 | Statement by the Executive Secretary, Lassina Zerbo at the 75th Session of the United Nations General Assembly | [PDF] |
| 2014 | ||
| 24 Sept 2014 | Statement by the Executive Secretary, Lassina Zerbo at the 58th Regular Session of the General Conference of the International Atomic Energy Agency, 24 September 2014 | [PDF] |
| 15 Sept 2014 | Statement by the Executive Secretary, Lassina Zerbo commemorating the United Nations International Day Against Nuclear Testing, Washington D.C., 15 September 2014 | [PDF] |
| 14 Sept 2014 | Statement by the Executive Secretary, Lassina Zerbo at the Forum for Nuclear Security, Stanford 14 September 2014 | [PDF] |
| 23 June 2014 | Statement by the Executive Secretary, Lassina Zerbo at the G-77 50th Anniversary Commemorative Celebrations, Vienna, Austria, 23 June 2014 | [PDF] |
| 19 May 2014 | Address by the Executive Secretary, Lassina Zerbo at the Regional Conference for South East Asia, the Pacific and Far East, Jakarta, Indonesia, 19 May 2014 | [PDF] |
| 29 April 2014 | Address by the Executive Secretary, Lassina Zerbo at the 3rd Preparatory Committee for the 2015 NPT Review Conference, New York, 29 April 2014 | [PDF] |
| 17 March 2014 | Keynote Speech by the Executive Secretary, Lassina Zerbro at the First Standing Committee (International Peace and Security) IPU Assembly in Geneva, Switzerland | [PDF] |
| 2013 | ||
| 13 Dec 2013 | Statement by the Executive Secretary, Lassina Zerbo, at the NDC Development Workshop in Africa on the use of IMS data and IDC products with emphasis on radioactive aerosol and noble gas observations | [PDF] |
| 03 Dec 2013 | Intervention by the Executive Secretary, Lassina Zerbo, at the Middle East Scientific Institute of Security in Jordan | [PDF] |
| 02 Dec 2013 | Opening remarks by the Executive Secretary, Lassina Zerbo, at the Host Country Training in Jordan | [PDF] |
| 30 Oct 2013 | Address by the Executive Secretary, Lassina Zerbo, at the National Seminar on the CTBT in Luanda, Angola | [PDF] |
| 28 Oct 2013 | Address by the Executive Secretary, Lassina Zerbo, at the Exhibitions “A Lesson in Peace: The History of Dismantling of Soviet Nuclear Weapons in Kazakhstan”, and “Looking for Peace”, a presentation of paintings by artist Karipbek Kuyukov, Honorary ATOM Project Ambassador | [PDF] |
| Date | Statements by the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) | |
|---|---|---|
| 2019 | ||
| 30 May 2019 | Media statement in response to media reports quoting remarks by U.S. Lieutenant General Robert P. Ashley | [PDF] |
| Date | Statements on the CTBT | |
|---|---|---|
| 2015 | ||
| 17 Feb 2015 | Statement by Mr Genxin Li, Director, Legal and External Relations Division, at the Handover Ceremony of the Chairmanship of the G-77 Vienna Chapter | [PDF] |
| 2013 | ||
| 17 Jun 2013 | Speech by Hans Blix, Former (FMR) Director General, IAEA at the Science and Technology 2013 Conference (SnT2013) in Vienna, Austria | [PDF] |
| 2012 | ||
| 8 Aug 2012 | Speech by CTBTO Spokesperson, Annika Thunborg, at the "Genbaku No Hi 2012" event to commemorate the victims of the atomic bombings, Vienna, Austria | [PDF] |
| 8 Mar 2012 | Remarks by Vorian Maryssael, Director of the International Monitoring System Division of the Preparatory Commission for the CTBTO, at the joint UN celebrations for the International Women's Day-8 March 2012, Vienna, Austria | [PDF] |
| 2011 | ||
| 15 Nov 2011 | Statement by Fredrik Löjdquist, Minister, Deputy Head of Mission of Sweden to the Preparatory Commission for the CTBTO at the opening of the Cross-regional workshop in Istanbul | [PDF] |
| 28 Mar 2011 | Statement by Annika Thunborg, Spokesperson at the CTBTO Preparatory Commission at the Permanent Council of the Organziation of American States (OAS) | [PDF] |
| 25 Feb 2011 | Statement by Annika Thunborg, Spokesperson and Head of Public Information at the 3rd ASEAN Regional Forum Inter-Sessional Meeting on Non-Proliferation and Disarmament, Las Vegas, Nevada, USA | [PDF] |
| 13 Jan 2011 | Joint Ministerial Statement on the CTBT | [PDF] |
| 2010 | ||
| 4 Nov. 2010 | Statement by Jean du Preez Chief, External Relations and International Cooperation at the First Conference of State Parties of the African Nuclear Weapons Free Zone Treaty | [PDF] |
| 23 Sept. 2010 | Remarks by UN Secretary-General Ban Ki-moon to Media after Ministerial Meeting in Support of Comprehensive Nuclear-Test-Ban Treaty | [PDF] |
| 23 Sept. 2010 | Joint Ministerial Statement on the CTBT | [PDF] |
| 29 July 2010 | Statement by Annika Thunborg, Spokesperson and Head of Public Information at the Hiroshima Conference for the Total Abolition of Nuclear Weapons by 2020 | [PDF] |
| 29 July 2010 | Statement by Annika Thunborg, Spokesperson and Head of Public Information at the Hiroshima Conference for the Total Abolition of Nuclear Weapons by 2020 | [PDF] |
| 4 May 2010 | Remarks by Mr. Michael Douglas, United Nations Messenger of Peace, on the occasion of the CTBT Exhibition “Putting an End to Nuclear Explosions | [PDF] |
| 3 May 2010 | Remarks by Dr. R.M. Marty M. Natalegawa Minister of Foreign Affairs of the Republic of Indonesia on the occasion of the CTBT Exhibition “Putting an End to Nuclear Explosions” | [PDF] |
| 30 April 2010 | Statement by Mr Jean du Preez Chief, External Relations and International Cooperation at the Second Conference of State Parties and Signatories of Treaties that Establish Nuclear-Weapon-Free-Zones | [PDF] |
| 17 April 2010 | Statement by Mr Jean du Preez, CTBTO Preparatory Commission's Chief of External Relations and International Cooperation as an observer at the International Disarmament and Non-proliferation Conference | [PDF] |
| 2008 | ||
| 24 Sept. 2008 | Joint Ministerial Statement on the CTBT | [PDF] |
| 2006 | ||
| 20 Sept. 2006 | Joint Ministerial Statement on the CTBT | [PDF] |
| 2004 | ||
| 23 Sept. 2004 | Joint Ministerial Statement on the CTBT | [PDF] |
| 2002 | ||
| 14 Sept. 2002 | Joint Ministerial Statement on the CTBT | [PDF] |
| 14 Sept. 2002 | Statement by Mr. Dhanapala on the occasion of the launching of the joint Ministerial statement on the CTBT | [PDF] |
| Date | Statements by Tibor Tóth, Executive Secretary Emeritus (2005 - 2013) | |
|---|---|---|
| 2013 | ||
| 23 Apr. 2013 | Address by the Executive Secretary, Tibor Tóth, at the 2nd Preparatory Committee for the 2015 NPT Review Conference, Geneva, Switzerland | [PDF] |
| 9 Jan. 2013 | Address by the Executive Secretary, Tibor Tóth, at the ACUNS Conference, Vienna, Austria | [PDF] |
| 2012 | ||
| 6 Sep. 2012 | Statement by Executive Secretary Tibor Tóth at the UN General Assembly Session to commemorate the International Day against Nuclear Tests | [PDF] |
| 3 Sep. 2012 | Statement by Executive Secretary Tibor Tóth at the OPCW 15th Anniversary Event | [PDF] |
| 10 Aug. 2012 | Keynote speech by the Executive Secretary, Tibor Tóth, at the opening of the International Forum on Disarmament and Nonproliferation Education, Nagasaki, Japan | [PDF] |
| 7 Aug. 2012 | Address by the Executive Secretary, Tibor Tóth, at the University of Hiroshima, Hiroshima, Japan | [PDF] |
| 3 May 2012 | Statement by the Executive Secretary, Tibor Tóth, at the 2012 Preparatory Committee for the 2015 NPT Review Conference, Vienna, Austria | [PDF] |
| 12 Mar. 2012 | Remarks by the Executive Secretary, Tibor Tóth, at the joint UNOV Commemoration Ceremony of the Great Japan Earthquake, Vienna, Austria | [PDF] |
| 8 Mar. 2012 | Remarks by the Executive Secretary, Tibor Tóth, at the joint UNOV celebrations for the International Women's Day-8 March 2012, Vienna, Austria | [PDF] |
| 17 Feb. 2012 | Address by the Executive Secretary, Tibor Tóth, at the celebrations for CTBTO's 15th anniversary, Vienna, Austria | [PDF] |
| 14 Feb. 2012 | Address by the Executive Secretary, Tibor Tóth, at the Commemoration of the 45th Anniversary of the Signing of the Treaty of Tlatelolco, Mexico City, Mexico | [PDF] |
| 11 Jan. 2012 | Address by the Executive Secretary, Tibor Tóth, at the ACUNS Conference, Vienna, Austria | [PDF] |
| 2011 | ||
| 6 Dec. 2011 | Message by the Executive Secretary, Tibor Tóth, at the OSCE Ministerial Council Meeting, Vilnius, Lithuania | [PDF] |
| 15 Nov. 2011 | Address by the Executive Secretary, Tibor Tóth, at the Istanbul Cross-Regional Workshop 'Role of the CTBT in Regional and Global Security' | [PDF] |
| 12 Oct. 2011 | Statement by the Executive Secretary, Tibor Tóth, at the Astana International Forum for a Nuclear-Weapon-Free World | [PDF] |
| 6 July 2011 | Statement by the Executive Secretary, Tibor Tóth, at the EU Seminar to promote confidence building and in support of a process aimed at establishing a zone free of WMD and means of delivery in the Middle East | [PDF] |
| 21 June 2011 | Statement by the Executive Secretary, Tibor Tóth, at the IAEA Ministerial Conference on Nuclear Safety | [PDF] |
| 28 Feb 2011 | Address by the Executive Secretary, Tibor Tóth at ACUNS Conference on Connecting Academics and Practitioners | [PDF] |
| 2010 | ||
| 13 Dec. 2010 | Address by the Executive Secretary, Tibor Tóth, at the 65th Session of the United Nations General Assembly | [PDF] |
| 1 Dec. 2010 | Message from Tibor Tóth, Executive Secretary of the CTBTO at the OSCE Summit, Astana, Kazakhstan. | [PDF] |
| 13 Oct. 2010 | Address by the CTBTO Executive Secretary, Tibor Tóth, at the UNGA First Committee | [PDF] |
| 24 Sept. 2010 | Address by Tibor Tóth, Executive Secretary of the CTBTO at High Level Meeting on "Revitalizing the Work of the Conference on Disarmament and taking Forward Multilateral Disarmament Negotiations" | [PDF] |
| 23 Sept. 2010 | Address by Tibor Tóth, Executive Secretary of the CTBTO at the fifth CTBT Ministerial Meeting | [PDF] |
| 9 Aug. 2010 | Statement by CTBTO Executive Secretary, Tibor Tóth, on the occasion of the Commemorative Ceremony Genbaku No Hi - Atomic Bomb Memorial Day | [PDF] |
| 6 May 2010 | Statement by Tibor Tóth, Executive Secretary of the CTBTO Preparatory Commission, on the ocassion of the 2010 NPT Review Conference | [PDF] |
| 4 May 2010 | Remarks by Tibor Tóth, Executive Secretary of the CTBTO Preparatory Commission, on the ocassion of the CTBT Exhibition “Putting an End to Nuclear Explosions | [PDF] |
| 2009 | ||
| 17 Nov. 2009 | Improvements of the Technical Capability of the Verification Regime Since 2000 | [PDF] |
| 16 Nov. 2009 | Opening Statement of the Executive Secretary at the thirty-third session of the Preparatory Commission | [PDF] |
| 6 May 2009 | Address to the third session of the Preparatory Committee for the 2010 NPT Review Conference | [PDF] |
| 2008 | ||
| 26-27 Feb. 2008 | Towards a world free of nuclear weapons - The contribution of the Comprehensive Nuclear-Test-Ban Treaty | [PDF] |
| 26-27 Feb. 2008 | Factsheet for Oslo Conference 26-27 Feb 2008 | [PDF] |
| 2007 | ||
| 17 Oct. 2007 | Address to the First Committee | [PDF] |
| 14 Feb. 2007 | 40th anniversary of Latin America and the Caribbean declaring itself a nuclear-weapon free zone | [PDF] |
| 2006 | ||
| 20 Oct. 2006 | Sixty-fist Session of the United Nations General Assembly | [PDF] |
| 9 Oct. 2006 | Statement concerning the Democratic People's Republic of Korea's announcement of a Nuclear Test | [PDF] |
| 6 Oct. 2006 | Statement concerning the Democratic People's Republic of Korea’s declared intention to conduct a nuclear test | [PDF] |
| 31 Aug. 2006 | Statement on the occasion of the Scientific Symposium "CTBT: Synergies with Science, 1996 - 2006 and Beyond" | [PDF] |
| Date | Statements by the Chairman of the Preparatory Commission | |
|---|---|---|
| 2006 | ||
| 9 Oct. 2006 | Statement of the Chairman of the Preparatory Commission, Ambassador Volodymyr Yelchenko, concerning the Democratic People's Republic of Korea's announcement of a Nuclear Test | [PDF] |
| 6 Oct. 2006 | Statement of the Chairman of the Preparatory Commission, Ambassador Volodymyr Yelchenko, concerning the Democratic People's Republic of Korea's declared intention of a Nuclear Test | [PDF] |
| Date | Statements by Wolfgang Hoffmann, Executive Secretary Emeritus (1996 - 2005) | |
|---|---|---|
| 2004 | ||
| 22 Sept. 2004 | Forty-eighth Session Regular Session of the IAEA General Conference | [PDF] |
| 2003 | ||
| 09 Oct. 2003 | Fifty-eighth Session of The United Nations General Assembly | [PDF] |
| 17 Sept. 2003 | Forty-seventh Regular Session of the IAEA General Conference | [PDF] |
| 2002 | ||
| 20 Nov. 2002 | Fifty-seventh Session of The United Nations General Assembly | [PDF] |
| 18 Sept. 2002 | Forty-sixth Regular Session of the IAEA General Conference | [PDF] |
| 2001 | ||
| 06 Dec. 2001 | Fifty-sixth Session of The United Nations General Assembly | [PDF] |
| 13 Sept. 2001 | Forty-fifth Regular Session of the IAEA General Conference | [PDF] |
CTBTO Executive Secretary Floyd addresses the United Nations Security Council.
CTBTO Executive Secretary, Robert Floyd
Lassina Zerbo, Executive Secretary of the CTBTO
Executive Secretary Tibor Tóth delivering the keynote lecture at the high-level event, “Science for Peace - Applying Technical Expertise to Emerging Security Challenges”, 16 November 2012
