Alexander Ermokhin was born in Oryol. In 2020 he graduated from Moscow State Academy of Choreography (class of Georgy Gusev).
Since June 2020, he has been an artist of the Ballet Company of the Primorsky Stage of the Mariinsky Theatre.
Repertoire at the Primorsky Stage of the Mariinsky Theatre includes:
Don Quixote (Sancho Panza); choreography by Alexander Gorsky based after Marius Petipa,
The Nutcracker (toy Nutcracker Prince, Chinese Dance); choreography by Eldar Aliev,
The Sleeping Beauty (Puss-in-Boots); choreography by Marius Petipa revised version by Konstantin Sergeev and Eldar Aliev,
A Thousand and One Nights (Ataman); choreography by Eldar Aliev.