Born in 1988 in Moscow in a ballet family. Mom - Honored Artist of Russia Inna Leshchinskaya, leading character dancer of the Musical Theater. Stanislavsky and Nemirovich-Danchenko, father - People's Artist of Russia Valery Lantratov, Premier of the Musical Theater. Stanislavsky and Nemirovich-Danchenko and the Kremlin Ballet, elder brother Anton Leshchinsky - Honored Artist of Russia, currently a teacher-choreographer of the Lenkom Theater, professor at the Department of Plastic Education of VTU. M. S. Shchepkina and Associate Professor of the Department of Modern Choreography and Stage Dance of GITIS, in the past - ballet dancer of the Bolshoi Theater. At the age of 9 he entered the Moscow State Academy of Choreography, where he studied with such renowned teachers as Ninel Popova, Nina Tolstaya, Igor Uksusnikov, Vadim Tedeev, Ilya Kuznetsov. After graduating from the academy in 2006, he was accepted into the ballet troupe of the Bolshoi Theatre. In the theater he rehearses under the direction of Mikhail Lavrovsky and Valery Lagunov. In 2010, he won a youth grant from the Russian independent Triumph Prize. In 2012, he took part in the Bolshoi Ballet project of the Rossiya Kultura TV channel (in partnership with Olga Smirnova). In the same year he received the Soul of Dance prize from Ballet magazine in the Rising Star nomination. Named the best dancer of 2013 by the Italian magazine "DANZA & DANZA" for his performances as the Prince in the ballet "The Nutcracker" (choreography by B. Stevenson) with the ballet of the theater "Estonia" on tour in Italy (theater La Fenice, Venice), the part of Solor (" La Bayadère by M. Petipa, edited by Yu. Grigorovich) and Onegin (Onegin by J. Cranko) in the performances of the Bolshoi Theater. In 2015, he won the Golden Mask National Theater Award for his performance as Petruchio in Jean-Christophe Maillot's The Taming of the Shrew (Bolshoi Theatre), a year later he was nominated for an award for his performance as Pechorin in the play A Hero of Our Time ( Big theater). In 2015, he was declared Dancer of the Year by the German magazine Tanz. Winner of the Benois de la Danse 2018 prize for playing the role of Rudolf Nureyev in the Bolshoi Theater play Nureyev. Laureate of the Russian-Italian Benois/Myasin Moscow/Positano Prize in 2018. The prize is awarded by the organizing committees of the Leonid Myasin Prize in Positano and the Benois de la Danse Prize . Honored Artist of the Russian Federation (2018). Nominated for the Golden Mask National Theater Award for his performance as Nureyev in the ballet Nureyev (Bolshoi Theatre, music by Ilya Demutsky, choreography by Yuri Posokhov, production by Kirill Serebrennikov), which premiered in December 2017. In 2022, he won the Golden Mask National Theater Award for his performance as Trigorin in The Seagull (Bolshoi Theatre, music by Ilya Demutsky, choreography by Yuri Posokhov, production by Alexander Molochnikov).