A Japanese pianist and conductor, Shun Oi was born in 1993.

He was awarded the First Prize and the Toshio Hosokawa Prize (nominated by composer) at the International Hiroshima International Conductors Competition in 2022, in Japan. He is also laureate of several competition for piano: Yokohama International Competition, Sengawa Piano Audition, etc.

He began taking piano lessons at the age of four with Sonoko Hayashi, and also he took lessons by Akiyoshi Sako and Jacques Rouvier.

Shun Oi studied piano with Jean-Marie Cottet, and chamber music with Pascal Le Corre in Paris, and graduated from Conservatoire à rayonnement régional de Paris (CRR de Paris) with top honors in 2014.

Also he got a diploma of "Corso di Alta Formazione" for piano, from Conservatorio di musica Agostino Sttefani in Castelfranco Veneto, where he studied with Massimiliano Ferrati.

While studying piano with Andreas Groethuysen at University Mozarteum in Salzburg, he is also majoring in conducting with Ion Marin, Bruno Weil, Alexander Drčar, Yoon Kuk Lee, Johannes Kalitzke (contemporary music), Gernot Sahler (Opera conducting) and Reinhard Goebel (Barock music).

After studied harpsichord and fortepiano with Christine Schrnsheim and obtained bachelor's degree at the University of Music and Performing Arts Munich, and also with Edoardo Torbianelli at the Schola Cantor Basiliensis in Switzerland and obtained a diploma of Postgraduate. He is studying fortepiano at the Music and Arts University of the City of Vienna with Mikayel Balyan.

Until now he participated several masterclasses with Menahem Pressler, Ferenc Rados, Alexander Koblin, and Peter Gülke (conducting). ​ His repertoire ranges from Bach to Boulez, he invited to parform the concert of contemporary music, organised by Ensemble Alternance in Paris.

Shun Oi gives recitals and concerts as a pianist in major cities, such as in Berlin, Vienna, Paris, and Tokyo. In 2014, he was chosen to perform with La Musique des Gardiens de la Paix de Paris (brass band of police in Paris), and in 2016, he played and conducted Beethoven Piano Concerto No. 1 with Bad Reichenhaller Philharmonie in Germany.

As a conductor, he conducted Mozarteum Orchestra, Meininger Hofkapelle, Tokyo Metropolitan Symphony Orchestra, Yomiuri-Nippon Symphony Orchestra, Tokyo Philharmonic Symphony Orchestra, Hiroshima Symphony Orchestra, Hiroshima Wind Orchestra, and so on.