In 1999 HieYon joined the piano faculty at the Seoul National University. Since then, she has been giving numerous master classes abroad; the Guildhall School in London, Ecole normale in Paris, the Hochschule Freiburg, Karlsruhe, Düsseldorf in Germany, Music School of Manhattan, Cincinnati, Michigan in the US, Performing Arts Hong-Kong, China. In summer HieYon regularly gives piano courses in Europe. HieYon also serves as a jury member at international competitions such as Ishikawa, Epinal, Orléans, Pozzoli and Maj Lind (2022).
HieYon’s first Beethoven album was released in 2018 by Decca Korea and was acclaimed by Piano News, a german magazine “Choi is more than just at home with the linguistic ductus of this music…She can subtly untangle Beethoven’s linear work, the deliberate confusion in elaboration of theme for the listener, fill them with life, let them become comprehensible” The release of her Debussy Douze Etudes and her second Beethoven album “The Great Sonatas” were followed in 2020 and in 2021.
Her other recordings include <F. Liszt Six Grand Etudes on Paganini>, <Isang Yun 5 Stücke>, <Chopin Etudes Op. 10 & Op. 25> and recordings for TV & radio channels in US, Italy, Switzerland, Sweden, Germany and in Korea. HieYon has been a frequent guest at KBS classic radio especially for series of live lecture concerts.
Born in Inchon, South Korea, HieYon gave her debut concert at the age of 6 with the Inchon Philharmonic Orchestra. She won all four most coveted competitions in Korea (Dong-A, Choong-Ang, Korea Times, Ehwa-KyungHyang) under the early tutelage of Prof. Joong-Won Koh and moved to Germany at the age of 18 to study with Prof. Klaus Hellwig. The late Prof. Hans Leygraf at Hochschule der Künste Berlin and the late Prof. György Sebök at Indiana University were further source of inspiration to her.
Fall 2023, HieYon joins the Peabody Institute of the Johns Hopkins University piano faculty.