[5][6] After she completed her legal studies, she advised companies, communities and local groups on economic, social and environmental issues.

She worked on topics like the development of sustainable tourism around the Rhine, including for the Alsace Regional Council.

She was placed in 4th position on the EELV list in the municipal elections, and was named co-chair of the platform committee.

[13] In the first round, held on March 15, 2020, she placed first with 27.87% of the vote, substantially ahead of competitors including Alain Fontanel (fr) and Catherine Trautmann.

In her first speech as mayor, Barseghian declared an ecological state of emergency, and reiterated her commitment to various measures that she had campaigned on including the demineralization of the city center, the creation of new parks and cycling paths, the exclusion of diesel vehicles from the city center by 2025 (which had also been a policy of her predecessor, Roland Ries), and giving aid to feminist associations.