In 2012, Sergey Kuzmin graduated from the Glinka Novosibirsk State Conservatory, the department of academic singing (class of Vladimir Urbanovich). Between 2010 and 2012, he worked at the Novosibirsk Theatre of Musical Comedy. Since 2012, he has been a soloist of the Novosibirsk Opera and Ballet Theatre.
His repertoire includes such parts as Faust, Zibel (Gounod’s Faust), Alfred (La traviata), Cassio (Otello), Riccardo (Un ballo in maschera) — in Verdi’s operas; Rodolfo (La bohème), Rinuccio (Gianni Schicchi) — in Puccini’s operas; Bastien (Mozart’s Bastien und Bastienne), Beppe/Arlecchino (Leoncavallo’s Pagliacci), Nemorino (Donizetti’s L'elisir d'amore), Walther von der Vogelweide (Wagner’s Tannhäuser), The yuródivïy (Mussorgsky’s Boris Godunov), Lensky (Eugene Onegin), Chekalinsky (The Queen of Spades) — in Pyotr Tchaikovsky’s operas, Young Gypsy (Rachmaninoff’s Aleko), Charles Water (Molchanov’s The Canterville Ghost, world premiere), solo parts in Honegger’s Jeanne d'Arc au bûcher, Bernstein’s The Mass, Stravinsky’s Les noces.
As part of the troupe of the Novosibirsk Opera and Ballet Theatre, he took part on tours in Moscow (2014), the Republic of Kazakhstan (2016), and the Republic of Korea (2018).
Since 2016, Sergey Kuzmin is a guest soloist of the Mikhailovsky Theatre in St. Petersburg, on the stage of which he made his debut as Rodolfo in La bohème (directed by Robert Carsen).