Violinist Ji won Kim graduated from Busan Arts High School and studied at Yonsei University College of Music before moving to Germany, where she completed the professional performance course (KA) at the Leipzig University of Music. She then earned a master's degree (MM) from the Münster University of Music and was selected as a contemporary music research scholar at the Academy (IEMA) hosted by Ensemble Modern, a world-renowned contemporary music group in Frankfurt. She was awarded a scholarship from the Kunststiftung NRW (North Rhine-Westphalia Art Foundation) and completed her academy life, earning a master's degree (MM, Zeitgenoessische Musik) in contemporary music linked to the Frankfurt University of Music and Ensemble Modern. During her studies in Germany, she was a member of the Kammerphilharmonie Leipzig while studying at Leipzig University of Music and was selected for an excellent performance in the WDR3 (West German Broadcasting, Westdeutscher Rundfunk Koeln) Open Audition while studying at Münster University of Music, representing the university and recording a performance broadcast. As a scholarship member of the Ensemble Modern Academy (Internationale Ensemble Modern Academie, IEMA), she collaborated with contemporary composers such as Luca Francesconi and Thomas Ades, performing at IRCAM, Centquatre, and the Royaumont, introducing and performing a wide range of contemporary music, from early 20th-century contemporary pieces to electronic music, in various parts of Europe including the Berlin Konzerthaus. She has performed at the Tongyeong International Music Festival, the Ensemble's own concert series, the "Horizonte" series in Basel, Switzerland, which introduces young Asian composers, the Uijeongbu Music Theatre Festival, and the Seoul International Computer Music Festival, continuing to perform diverse contemporary music across genres. Currently, she is a member of the Ensemble TIMF and teaches at Sookmyung Women's University and the Dong-Eui University Gifted Education Center.