Wonji Kim, native of Seoul, Korea, started to play the violin of the age of five, and she studied with Prof. Chong-Suk Li and later in Switzerland with prof. Max Rostal and prof. Igor Ozim. 1994 she received her soloist-diploma at the "Hochschule für Musik und Theater in Bern" with distinction. She also took part in master courses with Donald Weilerstein, Sylvia Rosenberg and Yfrah Neaman. Since winning several national and international prizes, she has appeared as a soloist with Seoul Symphony Orchestra, Berner Sinfonie Orchester, Zürcher Kammerorchester, Hungarian National Chamberorchestra and the Moscow Radio Symphony Orchestra (conductor: V. Fedosejev).

Since 1996 she has taught as an assistant of prof. Igor Ozim at the "Hochschule für Musik  in Vienna" and "Hochschule für Musik und Theater" in Bern and is now teaching at the University Mozarteum in Salzburg/Austria.