Born in Russia, Kseniia Proshina began her vocal studies in Raisa Gladkova's class at the Samara Academy of Arts and graduated in 2016.
She performed the title role in Rimsky-Korsakov's The Snow Maiden and Sonya Gurvich in The Dawns Here Are Quiet by Kirill Molchanov. Since 2014, she has been focusing on the Italian repertoire with Alessandro Svab at the Accademia Lirica Santa Croce in Trieste, Italy. She sang the roles of Gilda in Rigoletto, Susanna in Le Nozze di Figaro and Adina in L'Elisir d'amore.
She won the first prizes at the Saveliy Orlov and Hramov competitions in Samara. In 2018, she was a finalist in the “Toti Dal Monte” international song competition and won several prizes in competitions such as the Tenor Viñas in Barcelona and the Klaudia Taev in Pärnu Estonia. More recently she won the first prize at the Gianluca Campochiaro Competition in Italy.
Beginning of the season 2019/20, she took part in the Paris Opera Academy’s Chinese Tour and performed at the Shanghai Grand Theatre, at the Shenyanget Poly Theater, and the Nanjing Jiangsu Art Theater. Kseniia Proshina joined the Paris Opera Academy in September 2019.
In 2021, she sang Lucia Britten’s Rape of Lucretia at the Théâtre des Bouffes du Nord, conducted by Léo Warynski and staged by Jeanne Candel, and she was a laureate of the AROP Award. Beginning 2022, she sang Amore in L'incoronazione di Poppea at the Athénée Théâtre Louis-Jouvet and Barbarina in Le Nozze di Figaro at the Palais Garnier.