In September 2023 Deliorman made his debut at the Concert Hall of the Mariinsky Theatre with a programme including works by Beethoven, Schubert, Mendelssohn, Brahms, Saint-Saëns, Respighi and Turkish composer Ferit Tüzün. His choral repertoire includes masterworks such as Beethoven’s Ninth Symphony, Verdi’s and Fauré’s Requiems. Has also conducted staged productions of Verdi’s La traviata at the Mariinsky Theatre. Most recently he appeared at the Bolshoi Theatre of Russia for the opening concert of the Moscow Easter Festival, conducting alongside Valery Gergiev.