Igor Crnadak was born in 1972 in Zadar (Croatia). He graduated from the Faculty of Economics, University of Banja Luka with post graduate studies at the Department of Global Markets and the European Union.
From 1999, he is member of the Party of Democratic Progress (PDP) and PDP’s spokesperson in the period from 2001-2004. In 2005, Mr. Crnadak was appointed Executive Director of PDP and later on, in 2009, elected PDP Secretary for International Relations. In the last three election cycles, he served as PDP’s head of election headquarters and, from 2011 to 2015, he served as the Secretary General of PDP party. From 1990 Mr. Crnadak worked as journalist, anchor, producer, and radio editor, writing for various printed media outlets. From 1996 to 1998 he was correspondent for the Voice of America from Banja Luka. He served as a councillor of the Banja Luka City Assembly from 2000 to 2004 and as a member of the European Integration Committee of the National Assembly of Republika Srpska. From 2007 to 2009, he was a Deputy Minister for Defense of Bosnia and Herzegovina and, on behalf of the Ministry of Defense he was responsible for the international cooperation and was the Chairman of the Bosnia and Herzegovina NATO coordination team. 
In March 2015, Mr. Crnadak was appointed Minister of Foreign Affairs of Bosnia and Herzegovina. From May 2015 to November 2015, he was the Chairman of the Committee of Ministers of Council of Europe.