Ambassador František Ružička took up his duties as the Permanent Representative of the Slovak Republic to the OECD in November 2020. Prior served as the State Secretary of the Ministry of Foreign and European Affairs from 2018 onwards. František Ružička was appointed Director of the Office of H.E. Miroslav Lajčák, during the Presidency of the 72nd session of the UN General Assembly in New York, from 2017 to 2018. He was Ambassador to the United Nations in New York from 2012 to 2017, Ambassador to the Republic of Poland from 2005 to 2010. František Ružička served in numerous leadership roles at the Ministry of Foreign and European Affairs of the Slovak Republic and abroad — Washington, Prague. H. E.
František Ružička graduated from the Moscow State Institute of International Relations and Charles University in Prague with PhD in Philosophy.