The Movement of Socialists is a left-wing nationalist political party in Serbia. It was founded in 2008 by Aleksandar Vulin, who served as the party's president until 2022 when he was succeeded by Bojan Torbica.

Aleksandar Vulin is a Serbian politician and lawyer. Serving as Deputy Prime Minister of Serbia since 2024. He served as the director of the Security Intelligence Agency (BIA) from 1 December 2022 until 3 November 2023. Additionally, he previously served as director of the Office for Kosovo and Metohija from 2012 to 2013, minister without portfolio in charge of Kosovo and Metohija from 2013 to 2014, minister of labour, employment, veteran and social policy from 2014 to 2017, minister of defence from 2017 to 2020, and as minister of internal affairs from 2020 to 2022. He has been called "man of Moscow".