Ae-Soon Kim was born in Okayama City, Japan. She began training in Traditional Korean Dance at the Okayama Korean School, and then progressed into Classical Ballet at the Sonoko Sugimoto Ballet Studio. In 1998, she moved to England to train at the Elmhurst Ballet School and the Laine Theatre Art School, and then toured for a year and a half with the King and I UK National Tour. In 2003, Ae-Soon moved to the U.S., and she received her B.F.A. in Dance through a full scholarship at the Boston Conservatory. After graduation, she worked with Ballet Rox, Naganuma Dance, L&L Dance Company, and Contemporary Ballet Theater. She has been a guest artist with Sudden Enlightenment Theater.