She is of Italian descent. Her grandparents hail from Sardinia.[2] Tatti studied social work at the Protestant University of Applied Sciences in Ludwigsburg and was employed in the corresponding professional field after her bachelor's degree: In 2010, she moved to Reutlingen and initially worked in urban youth work; before her parliamentary mandate in the German Bundestag, she most recently worked in social services in refugee care for the Esslingen district association of Arbeiterwohlfahrt (AWO). She became member of the bundestag after the 2017 German federal election.[3] She is a member of the Committee for Labour and Social Affairs.[4]
In October 2023 she declared that she would quit Die Linke and follow Sahra Wagenknecht into her new party. Tatti rejected the demand to resign from the Bundestag mandate she had won through Die Linke.[5][6]
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