Born in 1974. Graduated from the Vaganova Academy of Russian Ballet in 1992 (class of Valentin Onoshko)and was admitted to the Mariinsky^ Theatre.
From 1996 to 2002 had been studying the art of choreography at the Vaganova Academy of Russian Ballet (class of Professors Igor Belsky and Georgy Alexidze) where he staged the one-act ballet Tchaikovsky's Children's Album (1997) for students of the Academy as well as numerous dances and miniatures.
Made his debut as a choreographer at the Mariinsky Theatre in 1997 with Les noces to music by Stravinsky. At the Mariinsky Theatre he has staged dances in such operas as Parsifal (Wagner), Betrothal in a Monastery (Prokofiev) and La sonnambula (Bellini); he also worked as assistant director and choreographer in Lohengrin (Wagner) and Laservapadrona (Pergolesi) productions.
In 1998-1999 taught historical social dance at the Mariinsky Academy of Young Singers.
Alexey created a number of pieces for the Mariinsky Theatre soloists: Prelude (Johann Sebastian Bach), Adagio (Johann Sebastian Bach), Pavan (Gabriel Faure), He//os-fighfer (Einsturzende Neubauter, Claude Debussy), Nanou (Aphextwin), Get What You Gave (Plaid), Scerzo a la Russe (Igor Stravinsky), Cue No. 11 (Plaid), Once more (Amon Tobin), The Hermits (Carl Orff).The latter was awarded the special Fyodor Lopukhov Prize at the IV International Vaganova-Prix Ballet Competition.
In 2002 at the Novosibirsk Opera and Ballet Theatre he staged a programme of one-act ballets including Roads of Love (Kurt Weil, Joseph Kosma, Francis Poulenc) and Symphony for Dot-Matrix Printers (The User, Mozart).
In 2004 participated in the Modern Choreography Workshop project at the Bolshoi Theatre and staged one-act ballet Hungarian Dances (Brahms).
In 2005 was invited by the New York Choreographic Institute to take part in their spring and autumn sessions, where he staged ballets for the School of American Ballet as well as for the soloists and corps de ballet of New York City Ballet.
In 2006 was invited by the Royal Ballet of Flanders (Antwerp) to take part in the choreographic project Uncontainable.
The same year staged a ballet Du cote de shez Swan (Leonid Desyatnikov) at the Mariinsky Theatre within the framework of the VI International Ballet Festival Mariinsky. Created dances for the musical film Music That Left Russia. Since 2003 has been teaching at the choreography department of the Vaganova Academy of Russian Ballet. Since 2004 has acquired balletmeister's position to coach Forsythe's ballets at the Mariinsky Theatre.