Born in Hong Kong, China, Koon began studying piano and violin at the age of 8. He completed his Bachelor of Arts in Music with a focus in piano in May of 2017. He won several awards in the Hong Kong Schools Music Festival competition in both violin and piano. He received his ATCL violin diploma from the Trinity College London in 2008. He has been a member of several symphonies including the Arizona State University Symphony Orchestra, Arizona State University Lyrical Opera, Arizona State University Philharmonia, and University of Washington Symphony Orchestra. In 2016 and 2017, he was invited to Desert Edge High School as a featured piano guest artist to perform at the school’s annual music concert.