[citation needed] From 1987 to 2012, she held various academic positions, including at the Art Studies Department of the State Conservatoire and as a piano teacher at the Paliashvili Music School.
[4] On 16 May 2021, Charkviani was one of 15 signatories of a pledge sponsored by the civil society organization Tbilisi Pride to fight against LGBTQ discrimination and hate speech in politics.
[10] While L&J originally ran on a separate ticket in the 2020 parliamentary election,[11] Charkviani and New Georgia created a joint electoral bloc that put her in second place on its proportional candidate list.
[13] Though she did not make it to the runoff, Tamar Charkviani won a proportional seat in Parliament but joined the rest of the opposition in declaring a legislative boycott after large-scale allegations of voter fraud.
On 12 July 2021, she was one of several women MPs to take over the chair of the Speaker of Parliament following the death of television cameraman Lekso Lashkarava, who had died after receiving injuries during the 2021 anti-LGBT riots of Tbilisi.
[23] When the EU Council rejected the candidacy status for Georgia in June, she made a pro-European address in Parliament, in response to which Prime Minister Gharibashvili called her "sick in need of medicine".
[24] In July, she joined other opposition groups in civil society-moderated working groups to work on reforms demanded by the European Union[25] and in September, she co-sponsored a series of legislative packages to meet EU recommendations, including lowering the electoral threshold in parliamentary and local elections, judicial term limits, strengthening anti-corruption standards, and implementing the Istanbul Convention.