Ms Sun Roh is an Australian concert violinist performing throughout Europe, England, Korea, Russia and Australia. She made her debut performing the Mozart Violin Concerto with the Green Peace Chamber Orchestra, conducted by Kenneth Kiesler in Korea and Sibelius Violin Concerto with the Sydney Symphony Orchestra conducted by John Harding. She won the overall winner prize from the Ku-ring-gai Concerto Competition, first prize at the Queensland National Concerto Competition and the second prize at the Gisborne International Music Competition in New Zealand. 

She received full scholarship to study at the Royal Academy of Music, London and graduated with first class honours for her Bachelor of Music, studying with Mateja Marinkovic. She performed the Mendelssohn Violin Concerto with the Royal Academy Concert Orchestra, conducted by Denise Ham and won prestige prizes including the David Martin/Florence Hooten Concerto Prize and the Alfred J. Waley Violin Prize. Then she graduated with Master of Performance at the Sydney Conservatorium of Music studying with Dr. Goetz Richter.

Her major performance in Europe includes the Tchaikovsky Violin Concerto with the Horsham Symphony Orchestra conducted by Benjamin Pope in England, Termini Violin Concerto with the Accademia Capella Orchestra, St. Petersburg, conducted by Rudi Eastwood and recitals in St. Petersburg and Moscow, Russia. She was invited to join the Verbier UBS Festival Orchestra in Switzerland and toured USA and Europe with conductor Charles Dutoit. She was invited to join the International Menuhin Music Academy in Switzerland, studied with Oleg Kaskiv and masterclasses with Nobuko Imai, Mihaela Martin, Werner Schmitt, Philippe Graffin, Gabor Takacs-Nagy, Jeremy Menuhin and many others and her string quartet toured in Poland. She won a prominent scholarship from the Accademia Musicale Chigiana, Italy to study with Giuliano Carmignola later became her mentor at the Luzern School of Music, Switzerland, specialising in Baroque, Classical and Romantic repertoire. 

She was appointed as a Second Concertmaster of the prestigious Symphony Orchestra St. Gallen in Switzerland, where she performed as a soloist with the chief conductor David Stern and chamber music with the principal members of her orchestra and with the Camerata Giocoso with conductor Kathrin Auer. She was invited to perform at the Kuhmo Chamber Music Festival in Finland and was invited to work on Sonatas for Violin and Piano with Pierre Amoyal, Pavel Gililov and Bruno Canino at the Academy of Music in Lausanne, Switzerland. 

She served as a jury member for Kendall National Violin Competitions several times and was invited to perform as a soloist twice with the Beecroft Orchestra with conductor Dr. Joanna Drimatis. Her recordings including the Bartok Rhapsody are recently released on Spotify and Apple Music. Her latest major performances include the Brahms Violin Sonata complete cycle, Beethoven Violin Sonata for the Beethoven Festival at the Sydney Conservatorium, Sibelius Violin Concerto with the Sydney University Symphony Orchestra conducted by Luke Spicer and with the Hills Shire Symphony Orchestra, conducted by Chris Upton, Bach Violin Concerto and Mendelssohn Violin Concerto with the Kolkata Symphony Orchestra, conducted by Sanjib Mondal in India and the Vivaldi Four Seasons with the Prima Luce Ensemble. 

Currently in Sydney, she conducts the premier string orchestra, Advanced Strings at the North Sydney Girls High School, teaches the violin and chamber music at the Roh Music Academy and the King's School and performs and engages in artistic performance projects and is a passionate chamber musician and specialises in art of sonata performance for violin and piano.