Next season 26/27, Tina Josephine Jaeger becomes a permanent ensemble member of the Landestheater Niederbayern, where she will appear on stage as ÄNNCHEN in “Der Freischütz”, NANETTA in “Falstaff” and as BARBERINA in “Le nozze di Figaro”.

In theseason 2025/26 , Tina made her role debut as FRANZI and PEPI in “Wiener Blut” at the Linz State Theatre. Last season, she made her house and role debut at the Bonn Theatre in Arnold Schoenberg's “Moses und Aron” as the YOUNG GIRL and the FIRST NAKED VIRGIN. In January, she stepped in at short notice as the STEWARDESS in Jonathan Dove's “Flight to sensational success”. In the summer of 2025, Tina Josephine Jaeger sang the role of ANINA in “Eine Nacht in Venedig” at the Bad Ischl Operetta Festival.

Swiss-born Tina Josephine Jaeger received her first vocal training at the age of seven with the Golden Voices in Zurich. The following years, she performed internationally in numerous concerts and recitals. She studied at the MUK in Vienna with Kammersängerin Filipova and Lied with Birgid Steinberger. During her studies, she participated in masterclasses with Susan Manoff, Gerhard Kahry, and Linda Watson. She also earned her Bachelor's degree in Psychology with distinction in 2018 and her Master's degree in Psychology in 2021.

In 2019, she sang, among other roles, the main role ROSETTE in the opera “Les Jumeaux de Bergame” by Jacques Dalcroze at the Dalcroze Congress at the MDW and in Poland, BLONDCHEN in the children's version of “Die Entführung aus dem Serail” at the Baden Theatre, as well as the soprano solo part in Mahler's 4th Symphony at the Radio Culture House in Vienna with the MUK Symphony Orchestra under the direction of Andreas Stoehr.

In September 2021, she won second prize at the Cologne International Music Competition. In May 2022, she won third prize at the Anton Bruckner Operetta Competition as well as a special prize from the Bad Ischl Summer Festival. In the summer of 2022, Tina Josephine Jaeger sang the role of VALENCIENNE in the production of “Die Lustige Witwe” at the Bad Hall Municipal Theatre.