Tatiana Sessler-Toami was born in Timisoara and graduated from the Academy of Music and Theatre of the West University in Timisoara with a degree in acting in German. As a scholarship holder she studied one semester at the Academy of Music and Theatre "Felix Mendelssohn-Bartholdy" in Leipzig. She has been a permanent member of the German State Theatre Timisoara ensemble since 1988.

Among the most recent shows in which she plays, we list: Lysistrata 3.0 after Aristophanes as Praxagora; Nadirs after Herta Müller as the Witch; The Theatre by Pascal Rambert as Esther; Leonce and Lena by Georg Büchner as Madame President; A Midsummer Night's Dream after William Shakespeare as the Carpenter; Kurt the God after Alberto Moravia as the SS Officer.

She has worked with Alexander Hausvater, Niky Wolcz, Pascal Rambert, Kristóf Szabó, Carmen Lidia Vidu, Michael Bleiziffer, Wolf E. Rahlfs. 

In 2011 she was given the Award of the Timisoara County Council "Pro Cultura Timisiensis" for special merits in promoting Timisian culture. In 2012 she received the honorary diploma "40 years of German language broadcast AKZENTE", for the long and good cooperation with the editorial staff of the broadcast in German language of the Romanian Television.