Within a very short time Maria Radner could establish herself as one of the most promising contraltos. In the 2012/13 season she sings Erda in Rheingold and Siegfried at the Royal Opera House Covent Garden conducted by Antonio Pappano. With RSO Berlin she performs under the direction of Marek Janowski in a concert performance of Rheingold also in the part of Erda. The Grand Théâtre de Genève has engaged Maria Radner for the new production of The Ring (Ingo Metzmacher/Dieter Dorn). In Florence she sings Schwertleite in Walküre with Zubin Mehta conducting. Concert obligations lead her with Dvorak's Requiem under Tomas Netopil to Lyon and with Mahler's Symphony No. 3 under Sebastian Weigle to Frankfurt.

In the season 2011/12 Maria Radner sang Mahler´s Symphony N°8 at Accademia di Santa Cecilia Roma under Antonio Pappano, at MITO Festival under Gianandrea Noseda, with the Gürzenich Orchester Köln under Markus Stenz and Orquestra Nacional do Porto under Christoph König. With the Philharmoniker Hamburg she sang Mahler´s Symphony N°3 under Markus Lehtinen and at RSB Berlin under Marek Janowski.

In January 2012 Maria Radner made her debut in Götterdämmerung at the Metropolitan Opera in New York, and appeared in Die Frau ohne Schatten at the Teatro alla Scala Milano in March 2012. 

In previous seasons she gave a series of top-class opera and concert debuts at the Concertgebouw in Amsterdam (Beethoven Symphony No.9, Missa Solemnis), Wiener Musikverein (Jeanne d'Arc au bucher under Bertrand de Billy), at Salzburger Festspiele (new production of Elektra under Daniele Gatti and Frau ohne Schatten, conducted by Christian Thielemann), at Salzburger Osterfestspiele (Götterdämmerung conducted by Sir Simon Rattle), at Teatro alla Scala Milano (Faust Scenes under Pinchas Steinberg), at Accademia di Santa Cecilia Roma (Mahler Symphony No. 2 conducted by Antonio Pappano), at Bavarian State Opera Munich (Zauberflöte) and at Canadian Opera Toronto (Rossignol). 

Before that Maria Radner sang Erda in a concert performance of Rheingold and Siegfried under Ulf Schirmer at Leipzig Opera and Ariadne auf Naxos conducted by Bertrand de Billy at Theater an der Wien. Still a student Maria Radner made her debut under Zubin Mehta at Palau de les Arts Valencia in Martin y Soler's oratorio Philitaei a Jonatha disperse and a recital, followed by her debut at Bregenz Festival in the title role of Haendel's Salomo. Furthermore she appeared in a new production of Parsifal under the baton of Lorin Maazel in Valencia, her concert debuts at Teatro Real Madrid (Faust-scenes under Jesus Lopez-Cobos), at Teatro Regio Torino (Beethoven's Symphony No. 9 conducted by Gianandrea Noseda) and her debut at Festival d' Aix en Provence (Götterdämmerung conducted by Sir Simon Rattle).

Maria Radner was born in Düsseldorf, Germany and passed her studies with distinction. She is still working with KS Marga Schiml in Karlsruhe and was scholarship holder of the Richard Wagner Association Bayreuth.