Oxana Klevtsova was born in Leningrad. Graduated from the Rimsky-Korsakov St Petersburg State Conservatory in 2003.
Began to work as a concert mistress in 1997 at the Zazerkalye theatre (St Petersburg). From 2003 to 2005 she was a concert mistress with the Opera Dolnośląska (Wrocław, Poland).
Since 2005 she has been a concert mistress with the Mariinsky Opera Company. Has toured with the Mariinsky Opera Company to Spain, Slovenia, Great Britain, Germany, Turkey, China and the USA.
Has appeared at numerous international festivals including Five Evenings and Musical Days of Flanders (2001), at which she was responsible for the musical preparation of the Russian premiere of Wolfgang Rihm’s opera Jakob Lenz (directed by Andrey Moguchy). Regularly performs at such musical forums as the Moscow Easter Festival, Stars of the White Nights, Maslenitsa and the International Ballet Festival Mariinsky.
At the Mariinsky Theatre she has been involved in preparations for numerous productions of operas by Russian and world composers, among them Der fliegende Holländer, Tannhäuser, Tristan und Isolde, Die Walküre, Götterdämmerung, Siegfried, Das Rheingold, Die Meistersinger von Nürnberg, Lohengrin and Parsifal by Wagner, Die Frau ohne Schatten, Elektra and Salome by Richard Strauss, The Fiery Angel, Betrothal in a Monastery and The Gambler by Prokofiev, Cavalleria rusticana by Mascagni, Jenůfa by Janáček, Król Roger by Szymanowski, Dead Souls by Shchedrin, Les Huguenots by Meyerbeer, Don Carlo by Verdi, Pagliacci by Leoncavallo, Mavra by Stravinsky, Die Zauberflöte, Idomeneo, re di Creta and Die Entführung aus dem Serail by Mozart, Iolanta by Tchaikovsky and Boris Godunov by Musorgsky.
She has been responsible for the musical preparation of performances of Donizetti’s Don Pasquale (1980 production revival), Prokofiev’s The Fiery Angel, Stravinsky’s Œdipus Rex, Les Noces and Pulcinella and Richard Strauss’ Die Frau ohne Schatten as well as concerts with soloists and orchestra.
Frequently performs in concert, appearing with lead soloists of the Mariinsky Opera Company.