Ambassador Iztok Mirošič was born on 21 March 1968 in Postojna, Slovenia. He graduated in 1995 from the Faculty of Social Sciences in Ljubljana, Political Science – International Relations. He is fluent in English, Italian, Serbian and Croatian, and understands German and Russian. He received the honors of the Knight of the Grand Cross of the Merit Order of the Italian Republic and a Commemorative Medal for the participation in the War for Independent Slovenia 1991. He is a veteran of the Slovenian independence war in 1991 and the author of several articles and studies on foreign policy and international relations. He was among the founders of the Slovenian NATO Committee in 2002. He is married to Tina Kokalj and has a daughter Avalon Gemma.

Iztok Mirošič is currently the Ambassador of the Republic of Slovenia to the United States of America.

Before assuming his current role, he served as the Ambassador at the Ministry for Foreign and European Affairs of the Republic of Slovenia (MFEA) in the position of Special Envoy of the Minister for the Future of Europe. He also held the position of Director of Programmes of the Bled Strategic Forum.

In addition to being State Secretary and key foreign policy and EU adviser to the Prime Minister, he served as a Deputy Foreign Minister and State Secretary responsible for the EU, EU political bilateral relations and global bilateral economic and cultural relations at the Ministry of Foreign Affairs of the Republic of Slovenia (MFA) (2017–2018). He used to work as Ambassador-at-Large for key strategic tasks of the MFA and Special Envoy of the Minister of Foreign Affairs (2019–2021). Before that, he served as Ambassador of Slovenia to the Italian Republic, Malta, San Marino, Libya and Tunisia, and Permanent Representative to UN Food and Agriculture Organization (FAO) and World Food Programme (WFP) (2010–2015). Between 2004 and 2008, he was Ambassador of Slovenia to the United Kingdom of Great Britain and Northern Ireland and the first Slovenian Permanent Representative to the International Maritime Organization (IMO). He was Director-General for European affairs and bilateral political relations at the MFA in the period 2009–2010. At the same time, he was also Special Coordinator for relations and border issues with the Republic of Croatia, co-president of the Slovenian-Croatian Mixed Commission for the resolution of the open issues between the two states, and negotiator for the Arbitration Agreement for the establishment of border between Slovenia and Croatia.

Other governmental positions:
In 2004, he was Ministerial Counsellor (ministerial rank in the government) for international relations and the principal adviser of the Prime Minister for foreign policy and the European Union. Before that, he was State Secretary and foreign policy adviser to the Prime Minister. In 2003, he was Deputy Minister of Foreign Affairs and State Secretary at the MFA, responsible for bilateral political relations and the European Union.

The duties he performed in the MFA include:
State Undersecretary and Chief of Foreign Minister's Cabinet (2000–2003); in 2002 also State Undersecretary and member of the Committee for the Cooperation between the Republic of Slovenia and the Autonomous Region of Friuli-Venezia Giulia (Italy); adviser to the government and Head of the Department for South- Eastern Europe at MFA, and Head of the Special Working Group for South-Eastern Europe and for the Establishment of Diplomatic Relations with the Federal Republic of Yugoslavia (2000); Chief secretary of the state committee for the preparation of the visit of the President of the United States of America (Bill Clinton) to the Republic of Slovenia (1999); adviser to the Minister of Foreign Affairs and Secretary of the Commission of the Government of the Republic of Slovenia for Succession to the Former SFRY, and member of the negotiating delegation of the Republic of Slovenia for Negotiations on Succession to the Former SFRY (1998); member of the Board of the Fund of the Republic of Slovenia for Succession to the former SFRY (1998); head of office of the State Secretary and Deputy Foreign Minister at the MFA, responsible for the issues of succession to the former SFRY, the relations with South-Eastern European countries, Stability Pact, NATO and the EU (1997–2000), and Senior Adviser at the MFA for relations of Slovenia with Italy and the Holy See (Vatican), and for cooperation in the Central European Initiative (1995–1997).