Violinist Heesun Choi  received her Bachelor of Music from Seoul National University in Korea. She completed her studies with Diplom from Duesseldorf Robert Schumann Musikhochschule and with Konzert Examen from Essen Folkwang Musikhochschule in Germany.

Ms Choi served as a Principal Violinist at Bucheon Philharmonic Orchestra in Korea where she has done lots of performances including  G. Mahler symphony series and A. Bruckner symphony series. Ms. Choi is also a co-founder of the Bach Solisten Seoul Baroque Orchestra in Korea where she performed and recorded as a concertmaster.

In 2016 she moved to Southern California with her family and continues to play with Musica Angelica Baroque Orchestra, directed by Martin Haselboeck.