Igor Radojičić was born in 1966 in Banja Luka. He holds a master’s degree in electrical engineering. He completed a primary and secondary school in Banja Luka as the best student in his generation, and the Faculty of Electrical Engineering in 1991 in Banja Luka, also as the best student in his generation.

He attended his post-graduate studies at the Faculty of Electrical Engineering in Belgrade and defended his master’s thesis in 2001 at the Faculty of Electrical Engineering in Banja Luka. He was elected as an assistant professor at the Faculty of Electrical Engineering in Banja Luka for the first time in 1991 and as a senior assistant professor in 2002. He was also an associate lecturer at the Faculty of Science and Mathematics in Banja Luka and at the Technical College in Doboj.

As an author and co-author Radojičić published one book and presented 14 scientific papers in the field of automatics, bio-medicine, signal processing and theory of chaos at international conferences in Serbia, Montenegro, Croatia, Italy, Austria, the Netherlands and the Czech Republic.

With regard to his political career, he performed various duties, from the membership in different bodies and the Presidency of the Union of Socialist Youth of BiH in the end of the 1980s to the Secretary General and Vice-President of the Alliance of the Independent Social Democrats. He was elected as a Member of Parliament of the Republic of Sprska for the first time in the 1998-2000 term, and then again in 2002 until the moment of assuming the post of the Mayor of the City of Banja Luka.

During his mandate in the National Assembly of the Republic of Srpska, Radojičić was a Chair and Vice-Chair of the Caucus and a Chair of the Committee on Foreign Relations. He was elected a Speaker of the National Assembly for the first time on February 28, 2006, and again in November 2006 and 2010. He was elected as a Chair of the Municipal Committee of the Alliance of the Independent Social Democrats on 21 December, 2013.

Mayor Radojičić has been decorated with a medal of St. Sava of the First Order by the Serbian Orthodox Church, with the Russian Decoration of Peter the Great and with a Medal for Military Merit by the Republic of Srpska. He is married and a father of two. Radojičić is fluent in English and French languages.