Kim won her first performance prizes at age four and made her orchestral debut with the Des Moines Symphony at the age of 15. She has toured the United States and Europe as soloist and chamber musician. She has won the 1991 grand prize at the Mozart Festival Competition in Illinois, as well as the 1997 award for Best Interpretation of French Music by the French Piano Institute in Paris.
In 2001, Kim recorded Scriabin, Mozart, Schubert, and Ravel for her debut album, Dances and Fantasies. In 2005, she recorded her second album, From Vienna to Paris, which includes Ravel, Schubert, Haydn, and Schumann.
She currently lives in Manhattan, New York.