Choi was a Finalist of the Contest for the International Contemporary Music Contest "Citta' di Udine and Concurso Internacional de Composicai eletroacoustica in Brazil among others. Her music was published at CIMESP (São Paulo, Brazil), SCI, EMS, ERM media, SEAMUS, and Détonants Voyages (Studio Forum, France). Ravello records published her multimedia opera, THE ETERNAL TAO, which was supported by the John Simon Guggenheim Memorial Foundation Fellowship and Roosevelt University. Aucourant Records published her CD, SORI, featuring her eight compositions for solo instrument and electronics. The project was supported by the IAS Artist Project Grant from the Illinois Arts Council. She is a Professor of Music Composition and the Head of Music Composition at Roosevelt University in Chicago where she teaches composition and electro-acoustic music.

Choi received a D.M.A. at the University of Illinois at Urbana-Champaign, a M.M. in Music Composition at Georgia State University and a B.S. in chemistry and science education at Ewha Womans University and studied Korean literature in a master’s program at Seoul National University in South Korea.