Sergei Umanetc was born in 1988 in Leningrad.
In 2008 he graduated from The Vaganova Academy of Russian Ballet where he studied with Honoured Artist of Russia G. Selyusky.
From 2008 to 2011 he worked in the Mariinsky Theatre and performed in Greece, Germany, Spain, Italy, The USA and Japan.
From 2012 to 2013 he was a soloist at the Yacobson Ballet Theatre.
He has also worked with ballet collectives in Austria, The Czech Republic, China, Iceland, Poland, and Finland as a guest soloist.
Since 2013 he has been a guest soloist with ballet collectives in St Petersburg and Moscow.
Since 2015 he has been a soloist of the ballet company of the Primorsky Stage of the Mariinsky Theatre of opera and ballet.
Since 2016 he has been part of the ballet company of the Primorsky Stage of the Mariinsky Theatre.
Prince Seigfried, Rothbart, pas de trois, Spanish Dance (Swan Lake, P. Tchaikovsky) – Choreography by L. Ivanov and M. Petipa;
Pas de deux (Le Corsaire A. Adam);
Pas de deux (Don Quixote, L. Minkus);
Youth (Chopiniana, F. Chopin) – Choreography M. Fokin;
Prince Désiré, Blue Bird, Chevalier (Sleeping Beauty, P. Tchaikovsky) – Choreography by M. Petipa;
Grand pas (Paquita, L. Minkus) – Choreography by M. Petipa;
The Nutcracker-Prince, Drosselmeyer (The Nutcracker, P. Tchaikovsky) – Choreography by V. Vainonen;
Ronno (Bambi A. Golovin) – Choreography by A. Pimonov;
Jose (Carmen Suite Georges Bizet – Rodion Shchedrin) – Choreography by Alberto Alonso
Two of the young men (La Sylphide, H.S. Løvenskiold) – Choreography by A. Bournonville;
Spartacus (Spartacus, A. Khachaturian) – Choreography by L. Yakobson;
Pas de deux (Le Talisman, R. Drigo);
Roden the Sculptor (Eternal Idol, C. Debussy) (Minatures by L. Yakobson)