Diana Haller was born in Rijeka, Croatia and studied voice at the Conservatorio di Musica Giuseppe Tartini in Triest, at the Royal Academy of Music in London and with Prof. Dunja Vejzovic in Stuttgart.
In the 2014/2015 season she will be heard as Dorabella, Angelina in La Cenerentola and Fenena in Nabucco at the Opera Stuttgart. Since the 2010/2011 season she is a member of the ensemble of the State Opera Stuttgart, where she performed a.o. Angelina in La Cenerentola, Ruggiero in Alcina, Cherubino in Le Nozze di Figaro, Orlowsky in Die Fledermaus, Flora in La Traviata and Fenena in Nabucco.
In 2014 she will be engaged at the Metropolitan Opera as cover Angelina in La Cenerentola, and she also made her Salzburg Festival debut as Ines in Il Trovatore and as Angelina in La Cenerentola for children.
The 2012/13 season included performances of Mozart’s Great c-minor Mass KV 427 on a tour with Ph. Herreweghe, Rossini’s Stabat Mater with WDR Orchestra, a tour with NDR Orchestra and Mahler’s Das Lied von der Erde at the Heidelberger Fruehling Festival. Highlights at the Stuttgart’s Opera were Ruggiero in Handel’s Alcina, Fenena in Verdi’s Nabucco and the title role of Rossini’s La Cenerentola. In October 2012 she won with the pianist Katharina Landl the first prize at the 8th International Song Competition Hugo Wolf in Stuttgart.
In 2010/11 season on she could be heard as Laura in a new production of Verdi’s Luisa Miller and Mère Jeanne in Poulenc’s Dialogues des Carmélites (new production) and Rossini’s Berta in Il barbiere di Siviglia. In April 2011, at the Handel London Festival she performed the title role in Hasse’s Siroe, Re di Persia, which was originally written for the famous castrato Farinelli. At the Rossini Bad Wildbad Festival 2011 she sang the role of Alberto in Balducci’s Il noce di Benevento, for which she was given the prestigious International Belcanto Award, and partcipated in a Rossini Concert. In July Diana gave her debut with the Internationale Bachakademie Stuttgart (Helmuth Rilling) singing Mozart’s Requiem.