Nedeljko Čubrilović was born in 1953 in Krupa on Vrbas, graduated from the Faculty of Mechanical Engineering of the University of Banja Luka. 

He worked in the economy, in jobs ranging from constructor to director, and he also made a significant contribution to the development of sports and culture in the Republic of Srpska and Bosnia and Herzegovina. 

He was the president of the Executive Board of Banja Luka.  Minister Čubrilović was elected several times as a councilor in the Assembly of the City of Banja Luka and as a deputy in the National Assembly of the Republic of Srpska.

In three Governments of the Republic of Srpska, he held the position of Minister of Transport and Communications. 

He was the president of the Ninth and Tenth convocations of the National Assembly of the Republic of Srpska.

He is the recipient of the Order of Saint Sava, a decoration awarded to spiritual and worldly persons for special services to the Serbian Orthodox Church. 

He is a Serb by nationality.