Jerković was born in 1972 in Belgrade, SR Serbia, SFR Yugoslavia.

He has been involved in elections and campaigns for over 20 years and worked for many political parties in Serbia.

[3] Jerković failed to get elected to the National Assembly but succeeded Delić following his death and was sworn in as MP on 18 October 2022.

[4] In December 2022, Jerković split with NADA's leadership, leaving its parliamentary group[5] and accusing NDSS president Miloš Jovanović of collaborating with the ruling SNS.

[2] In the 2023 Belgrade City Assembly election, Jerković led the right-wing populist We–The Voice from the People list (MI–GIN), was its mayoral candidate and was elected to the City Assembly of Belgrade.