In 2012 Ksenia Leonidova graduated with distinction from the Tchaikovsky Moscow State Conservatory (vocal faculty) in the class of Prof. Zurab Sotkilava. In 2016 she obtained a Master of Arts degree (opera and music theatre) with distinction from the Universität Mozarteum, Salzburg, class of Univ. Prof. Mario Diaz. She has taken master classes with Elena Obraztsova, Makvala Kasrashvili and Axel Everaert.
In 2009 Ksenia Leonidova debuted as Olga in Tchaikovsky’s «Eugene Onegin» at the Tianqiao Opera Theatre (Beijing, China). 2010 she sang Waltraute in Richard Wagner’s «Die Walküre» under Kent Nagano with the Russian National Orchestra at the Tchaikovsky Concert Hall. She was also well received in the roles of Olga in «Eugene Onegin» (Tchaikovsky) as well as Lyubasha in «The Tsar’s bride» (Rimsky-Korsakow) in productions at the Great Hall of the Moscow Conservatory. 2012 – 2013 she cooperated with the Brandenburgisches Staatsorchester Frankfurt singing mezzo-soprano solo in Beethoven’s «9 Symfony d-moll op. 125», «Messe C-Dur op. 86», and Szymanowski’s «Stabat Mater op. 53». Between 2014 and 2016 she portrayed Ottavia in «L’incoronazione di Poppea» (Monteverdi), Ramiro in «La finta giardinera» (Mozart), the title role in «Carmen» (Bizet) and Lucretia in «The Rape of Lucretia» (Britten). Her interpretation of Carmen at the Yekaterinburg State Opera and Ballet Theatre in 2015 was well received by the public. She also portrayed Maddalena in Verdi’s «Rigoletto» at Oper Schenkenberg, Switzerland, in 2016. In 2017 she sang Flosshilde in «Das Rheingold» (Wagner), Schwertleite in «Die Walküre» (Wagner), and Clotilde in «Norma» (Bellini) at the Staatstheater Nürnberg, Germany. On August 4th 2017 she had her highly acclaimed debut at the Salzburg Cathedral, Austria, singing the mezzo-soprano solo in Mozart’s «Requiem».
Ksenia Leonidova won international awards such as «The International Competition of mezzo-sopranos in memory of Fedora Barbieri» 2012 in St. Petersburg, Russia. The mezzosoprano participated in important music events and festivals in popular halls of Russia and foreign countries. In concerts she performed amongst other pieces the mezzo-soprano solo in Tchaikovsky’s cantata «Moscow», Mozart’s «Requiem», and Vivaldi’s «Stabat mater». Tours took her to Russia, China, Georgia, Israel, Germany, Austria, and Italy.