The United Nations System consists of the United Nations' six principal bodies, the Specialized Agencies and related organizations. The UN System includes subsidiary bodies such as the separately administered funds and programmes, research and training institutes, and other subsidiary entities. Some of these organizations predate the founding of the United Nations in 1945 and were inherited after the dissolution of the League of Nations.
The Vienna International Centre (VIC) is the campus and building complex hosting the United Nations Office at Vienna. It is colloquially also known as UNO City.
Domingo Lim Siazon Jr. was a Filipino diplomat. He served as the Director-General of the United Nations Industrial Development Organization from 1985 to 1992, the 18th Philippine Secretary of Foreign Affairs from 1995 to 2001, and the Philippine Ambassador to Japan from 1993 to 1995 and 2001 to 2010.
Nanguyalai Tarzi – was a high-ranking Afghan diplomat who was the Afghan Ambassador to Switzerland and Permanent Representative to the United Nations office and other international organisations in Geneva. Tarzi has been the Ambassador of Afghanistan to India, and before that he was Permanent Representative to United Nations at Geneva and Afghan Ambassador to Switzerland, Ambassador of Afghanistan to Pakistan and Director of the United Nations Information Centres (UNIC) in Tehran, Iran. From 1980s to 1990s, Tarzi was Permanent Observer of Organisation of Islamic Cooperation (OIC) to the United Nations, Geneva, Switzerland and United Nations, Vienna, Austria and Senior Political Adviser and Deputy Permanent Observer of OIC to the United Nations, New York, United States of America. In the 1970s, Tarzi was the Afghan Diplomat in Washington D.C., United States of America.
Angela Kane is a German diplomat and was formerly the UN High Representative for Disarmament Affairs and Under-Secretary-General for Management in the United Nations.
Ramzy Ezzeldin Ramzy is a retired Egyptian diplomat and former Senior United Nations official.
Helmut Böck is an Austrian diplomat and Ambassador. On 1 July 2008 he was formally accredited as the Permanent Representative of Austria to the United Nations in Vienna.
Yukio Takasu is a Japanese diplomat and the former United Nations Under-Secretary-General for Management. Previously, he was the Special Adviser on Human Security to the United Nations Secretary-General. Takasu also served as Advisor to the Japanese Foreign Minister and as Professor at the University of Tokyo. Since 2011, Takasu has taught at Ritsumeikan University in Kyoto. He was Permanent Representative and Ambassador Extraordinary and Plenipotentiary at the Permanent Mission of Japan to the United Nations in New York. Takasu has also twice served as President of the United Nations Security Council, once in February 2009 and again in April 2010.
The International Anti-Corruption Academy (IACA) is an international intergovernmental organization based in Laxenburg, Austria that teaches government officials and professionals about anti-corruption measures. Membership to the organization is, without a mandatory membership fee, open to UN-member states and intergovernmental organizations.
Sameh Hassan Shoukry (Arabic: سامح شكري; born 20 October 1952) is an Egyptian diplomat who has been Minister of Foreign Affairs since 2014. Previously, Shoukry served as the Ambassador of Egypt to the United States from 2008 to 2012.
Thomas Gass is a Swiss diplomat who currently serves as Ambassador of Switzerland to the Socialist Republic of Viet Nam.
Marjatta Rasi was a Finnish diplomat. She represented Finland as Permanent Representative to the United Nations (UN), and as Ambassador to many countries posted at New Delhi, Dhaka, Colombo, Kathmandu, Thimphu, and Vienna. She worked as Head of Finland's Development Agency. In 2004, she was President of the United Nations Economic and Social Council (ECOSOC). After serving in New York City in the United Nations from 1998 to 2004, she was also the Under Secretary of State for Development Policy in the Ministry of Foreign Affairs (Finland).
Janusz Urbańczyk is a Polish priest of the Catholic Church who works in the diplomatic service of the Holy See.
Rafael Mariano Grossi is an Argentine diplomat. He is serving as Director General of the International Atomic Energy Agency (IAEA) since December 3, 2019. He was formerly the Argentine Ambassador to Austria, concurrent with Slovenia, Slovakia and International Organisations based in Vienna (2013–2019).
Vivian N. R. Okeke is a Nigerian former diplomat. She was Ambassador to Austria, Slovakia, and international bodies based in Vienna.
Grace Tsitsi Mutandiro is a diplomat from Zimbabwe who is a Commissioner of the Public Service Commission. She was also Ambassador to Austria serving concurrently with appointments to the Czech Republic and Slovakia and was also Zimbabwe's Permanent Representative to the International Atomic Energy Agency (IAEA), the United Nations Organisation on Crime and Drugs (UNODC), United Nations Industrial Development Organization (UNIDO) and the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty OrganizationPreparatory Commission to the Comprehensive Test Ban Treaty Organisation (CTBTO). She went on to serve as Secretary for Lands and Rural Resettlement, and then Secretary for Environment, Water and Climate.
Lourdes Ortiz Yparraguirre is a Filipina diplomat who presented her credentials to Secretary-General Ban Ki-moon on April 22, 2015 as Permanent Representative of the Philippines to the United Nations.
Khojesta Fana Ebrahimkhel is the Ambassador Extraordinary and Plenipotentiary of Afghanistan to the Republic of Austria and as Permanent/Resident Representative to the United Nations Vienna-based organizations including CTBTO, IACA, IAEA, ICMPD, INCB, OSCE, UNIDO, UNOV/UNODC, effective 2017.
Vaqif Sadıqov is an Azerbaijani diplomat currently serving as Azerbaijan's Ambassador to Belgium and the European Union.
Chad Blackman born in October 1982, is a Barbadian politician and former diplomat. He was appointed to the Senate of Barbados by the Prime Minister of Barbados Mia Amor Mottley, as well as Minister in the Ministry of Economic Affairs and Investment on January 8, 2024. He served as the Senior Advisor to the Director-General of the International Labour Organization, H.E Gilbert Houngbo until January 7, 2024 and was Barbados' Ambassador and Permanent Representative to the United Nations and Geneva, Vienna, and Rome, and former Ambassador to Switzerland, Austria, Serbia and Hungary. As Ambassador, he was President of the G77 and China Geneva Chapter; Co-ordinator of the Group of Small Island Developing States; Co-ordinator of the Group of Latin-America and Caribbean Countries GRULAC, and was a Global Board Member of the United Nations International Gender Champions. Blackman is also an international trade law specialist. Within the Cabinet of the ILO, he has responsibility for Latin-America & The Caribbean, the African Region, the United Nations, and external relations and corporate services. He has served as the youth development consultant with the Commonwealth Secretariat in London. He served as the chair for the Trade and Development, and Trade and Environment Committees in the World Trade Organization (WTO). Blackman is also the first Ambassador of Barbados to Serbia. He also Chaired the SIDS Group in the United Nations Conference on Trade and Development.
