The Croatian mezzo-soprano Diana Haller has been highly acclaimed both by public and press for various role-debuts during the past seasons. Her vocal high-class as well as her acting skills have been equally focused in her portrays of e.g. ‘Composer’ /”Ariadne auf Naxos” (Cornelius Meister), title role/”Tancredi” (Antonio Fogliani), ‘Hänsel’ /”Hänsel and Gretel” (Georg Fritzsch). Diana Haller started her career as a member of the opera studio at the State Opera Stuttgart and became subsequently the youngest member of the soloist ensemble, where she performs roles such as ‘Ruggiero’ /”Alcina”, ‘Angelina’ /”La Cenerentola”‚ ‘Dorabella’ /”Cosi fan tutte”, and the title role in “Ariodante”. Recent guest engagements include e.g. ‘Altichiara’ /”Francesca da Rimini” (Fabio Luisi; David Pountney) at La Scala di Milano, various recitals, a new production of “Norma” at the State Opera Hamburg, ‘Rosina ‘/”Il barbiere di Siviglia” at the Semperoper Dresden, ‘Ruggiero’ /”Alcina” at the Opera Cologne and the Semperoper Dresden. In 2014 she covered ‘Rosina’ as well as the title role in “La Cenerentola” at the Metropolitan Opera New York. In the same summer she made her debut at the Salzburg Festival as ‘Ines’ /”Il Trovatore” alongside Anna Netrebko and Placido Domingo. She made her debut as ‘Giulio Cesare’ /”Giulio Cesare in Egitto” in Rijeka and was ‘Cenerentola’ at the Munich Gärtnerplatz Theater, as well as ‘Enrichetta’ /”I Puritani” at the Zurich Opera. Very active as a concert performer she toured twice with Philippe Herreweghe performing Mozart’s “Great c-minor Mass” and Mozart’s “Requiem” in Italy, France and Scotland. Further concert activities included Rossini’s “Stabat Mater” in Cologne and Dortmund; a tour with the NDR Orchestra, Mahler’s “Lied von der Erde” at the Heidelberger Frühling Festival, Rossini’s “Petite Messe Solennelle” at the Amsterdam’s Concertgebouw, Mozart’s “Great c-minor Mass” in Leipzig’s Gewandhaus and Magdeburg with the MDR Orchestra, a concert with the Orchestra of the Komische Oper Berlin, Bach’s “Weihnachtsoratorium” and “Johannespassion”, Wagner’s “Wesendonck Lieder” with orchestra, Mahler’s 8th Symphony at the Maggio Musicale Fiorentino (Fabio Luisi) and at the Bregenzer Festspiele (Kirill Petrenko), Verdi’s Requiem and the Schubertiade Hohenems among others. Active as a recitalist, she gave song recitals in Germany, Croatia, Italy, Mexico and Austria.

In 2011 she was given the prestigious ‘International Belcanto Award’ at the Rossini Wildbad Festival, in 2012 Diana won the first prize at the 8th International Song Competition of Hugo Wolf’ in Stuttgart and in 2013 she was awarded ‘Young Singer of the year 2013’ – by the German magazine “Opernwelt”. Further awards include the prize ‘Ivo Vuljevic 2013’ for outstanding musical achievement as well as the prize from the Zagreb Philharmonic Orchestra ‘Best young musician of the year 2013’, and the Inge-Borkh-Award which she received in 2020.She recorded a Bach/Händel CD with Concerto Köln and the Bayerische Rundfunk in 2012, the Croation National Radio recorded her first CD album with Robert Schumann and Hugo Wolf songs, with Naxos she recorded both ‘Siebel’ /”Faust” with the Croatian National Theater in Rijeka and ‘Enrichetta’ /”I Puritani” at the State Opera Stuttgart. In 2019 Audax Records released her Cd with the Ensemble Diderot of works by A. Vivaldi, S. M. Gajarek and J. A. Hasse.

Future projects include “Giulio Cesare”/ title role in Rijeka and at Savonlinna Festival, a new production of “Le nozze di Figaro” at the Stuttgart Opera, her role debut as ‘Donna Elvira’ /”Don Giovanni” in Stuttgart, ‘Ruggiero’ /”Alcina” at the Straßbourg Opera, various recitals and concerts e.g. at the Rossini Festival Bad Wildbad 2020. Diana Haller holds a master degree from the Royal Academy of Music in London (DipRAM), as well as two degrees from the University of Music in Stuttgart – Solistenklasse Opernschule and Master Liedklasse, where she studied with Prof. Dunja Vejzovic. Since graduation she has continued to study privately with KS Brigitte Fassbaender and Prof. Michelle Breedt.