Slanina studied legal science at the Humboldt University of Berlin and has a degree in business administration (FH). She works as a lawyer and was initially a human resources officer and then head of human resources until her appointment as parliamentary group manager of the Left Party in the Bundestag on 1 March 2022.[1] She held this position until the parliamentary group was dissolved on 6 December 2023. Before that, she worked in various investigative committees in the Brandenburg state parliamentary group.[2]
In addition to her position as state chairwoman of the Left Party in Brandenburg, Slanina is also deputy district chairwoman of the Left Party in Barnim.[3] From 2016 to 2020, she was a member of the state arbitration commission of her state association for four years. In 2019, she ran for full-time mayor of Schorfheide and lost to the mayoral candidate of the Schorfheide Alliance by a margin of 29 votes.[4]
In November 2023, she was elected chairwoman of the Association Council of People's Solidarity Brandenburg State Association.[5]
