Marlen Bieber was a member of the newly founded Opera Studio at Oper Chemnitz in the 2020/21 season. Since 2021/22, she has been a company soloist, appearing in roles such as Muse/Niklas in THE TALES OF HOFFMANN, Prince Orlofsky in DIE FLEDERMAUS, Lišák (the Fox) in PŘÍHODY LIŠKY BYSTROUŠKY (The Cunning Little Vixen), Flora and Annina in LA TRAVIATA, Mercédès in CARMEN, Maddalena in RIGOLETTO, and Hansel in HaNSEL AND GRETEL. She also recorded the role of Hänsel for the DVD released in 2021 by Theater Chemnitz in collaboration with Rondeau Productions. During her studies, the mezzo-soprano gained her first stage experience, including several engagements at the Staatsoperette Dresden. Another major passion of Marlen Bieber is concert singing. With great stylistic versatility, she performs a repertoire spanning sacred music, symphonic works, and contemporary compositions. While at university, she regularly performed under the direction of Hans-Christoph Rademann, with a particular focus on the cantatas of Johann Sebastian Bach. Highlights of her concert career include her debut at the Konzerthaus Berlin in 2025 with the Berliner Singakademie and the Kammerorchester der Komischen Oper under Antonius Adamske, as well as her performance at the Dresden Music Festival 2023 in The White Rose by David Chesky. Other engagements have taken her to the Arnold Schönberg Center Vienna, the Millstätter Musikwochen, and the Gustav Mahler Music Weeks, where she performed Mahler’s 3rd Symphony with the Junge Philharmonie Wien, the Chorakademie der Wiener Staatsoper, and the Wittener Sängerknaben. She has also appeared multiple times with the Robert-Schumann-Philharmonie and the Jena Philharmonie. In 2025 she was featured as Jeune Talent at the Musique & Vin au Clos Vougeot Festival, performing with the Orchestre Dijon Bourgogne under Joseph Bastian and in joint appearances with Jean-Yves Thibaudet. In addition to Hans-Christoph Rademann, she has worked with conductors such as Eckehard Stier, Guillermo García Calvo, Roland Böer, and Eric Jacobson. Marlen Bieber was awarded the Eva Kleinitz Award at the Concorso Lirico Internazionale di Portofino in 2024. She is also a finalist of the International Robert Schumann Competition 2024 and a prizewinner of the DEBUT Klassik Singing Competition 2022. She is a scholarship holder of the Festival der jungen Stimmen, the Richard Wagner Association Chemnitz, and the Musique & Vin au Clos Vougeot Festival. Marlen Bieber completed her musically enriched secondary education at the Clara-Wieck-Gymnasium and the Robert-Schumann-Conservatory in Zwickau. From 2016 to 2021, she studied voice at the University of Music Dresden, receiving further inspiration in the Lied class of KS Olaf Bär and in numerous masterclasses with KS Brigitte Fassbaender, Hedwig Fassbender, and Jukka Rasilainen. In private lessons, she works closely with Lucja Zarzycka and Eckehard Stier.