Katharina Magiera studied elementary school music with a major in piano, before switching to vocal performance with Hedwig Fassbender in Frankfurt on the Main, and then completed her concert exam under Rudolf Piernay in Mannheim. She was awarded scholarships from the Villa Musica of the state of Rhineland-Palatinate, the Yehudi Menuhin Foundation Live music now, the Studienstiftung des deutschen Volkes and a former 1st Prize Winner of the Mendelssohn Competition. Her wide range of concert repertoire includes: the passions and numerous cantatas of JS Bach, the Requiems of Mozart, Verdi, Duruflé, Dvořák, Schnittke, and the oratorios of Handel, Mendelssohn, Honegger and Szymanowski. She has worked with such conductors as Paolo Carignani, Helmuth Rilling, Gabriel Garrido, Marko Letonja, Hans- Christoph Rademann, Alexander Liebreich, Kristjan Järvi, Constantinos Carydis, Ivor Bolton, Constantin Trinks, Sebastian Weigle, Ádám Fischer, Christian Thielemann, Jaap van Zweden, Andrés Orozco-Estrada, Leo Hussain, René Jacobs, Henrik Nánási, Sylvain Cambreling, Krzysztof Urbanski, Teodor Currentzis and Robin Ticciati.
As a song interpreter she recorded in 2016 under the OehmsClassics label a solo album with guitarist Christopher Brandt to critical acclaim. The recording includes Goethe text settings by F. Mendelssohn, H. Wolf, F. Hensel, J. Kinkel, J. Lang and R. Schumann transcribed for voice and guitar.
Concert engagements for Katharina Magiera have included engagements with; the Munich Philharmonic, the Polish Radio National Symphony Orchestra, the Richard-Strauss Festival, the MDR Symphony Orchestra, the Salzburg Festival, the NDR Radiophilharmonie and the DSO Berlin. As the Third Lady (Magic Flute) she has appeared at the Opéra National in Paris and at the Theater an der Wien, as Hänsel (Hänsel and Gretel) at the Bavarian State Opera in Munich, as Schwertleite (a Valkyrie) at the Semperoper Dresden, the Opéra du Rhin in Strasbourg, the Beijing Music Festival and the Salzburg Easter Festival. Katharina Magiera has been part of the ensemble in the Frankfurt Opera since the 2009/10 season, where she has performed Alisa (Lucia di Lammermoor), Tisbe (La Cenerentola), Lisa (The Passenger), Maddalena (Rigoletto), Erda (Rheingold), Flosshilde / Schwertleite (Ring), The Narrator / Saint Catherine (La damoiselle élue / Jeanne D’Arc au bûcher), Nancy (Martha / CD Oehms Classics), Margret (Wozzeck), Marcellina (Le nozze di Figaro), Third Lady (The Magic Flute ), Annina (Rosenkavalier), alto in Handel’s Messiah, Hansel (Hänsel and Gretel), Filosofia (L Orontea), Ježibaba (Rusalka), Cornelia (Giulio Cesare in Egitto), Dryad (Ariadne on Naxos), Wanja (Ivan Sussanin ) and Emilia (Otello). In 2018/19 Ms Magiera debuted three new Handel Roles: Amastre (Xerxes), Irene (Theodora) and Eduige (Rodelinda). She also performed the Third Lady (Die Zauberflöte) with Glyndebourne Festival.