[3] At the age of 17, he became one of the last political convicts in the Socialist Federal Republic of Yugoslavia, when he was imprisoned for founding and operating a secret youth anti-communist organization of Serbian nationalists.

[6] He was a legal advisor at the Ministry of Finance of Serbia, as well as the Deputy Public Attorney in the municipality of Rakovica.

[6] After leaving Dveri, he founded a political organization called National Network which participated in the 2016 Serbian Parliamentary election.

[7][8] Since July 2018, he has been a member of the presidency of the newly established political party called the Serbian Patriotic Alliance (SPAS), which is headed by Aleksandar Šapić.

[12][1] In late March 2021, Glišić stated his opposition to legalization of civil unions including the "LGBT ideology".