Grace Guo was born in China and studied violin with Valery Oistrakh and viola with Paul De Clerck and Vladimir Mendelssohn. She graduated from the Royal Conservatory of Brussels and the Royal Conservatoire The Hague with two Masters of Music degrees and was awarded the Dutch distinction in musicianship by Royal Conservatoire The Hague. In 2003 she won First Prize in the categories of solo viola and string quartet at The International Competition of Masterclass in Portogrado, Italy. Grace Guo served as a member of the Residence Orchestra of The Hague for more than ten years where she worked with many world-renowned conductors including Neeme Järvi and Jaap van Zweden. She also performed as a freelance guest player for the Royal Concertgebouworkest Orchestra and has appeared as violist in leading chamber orchestras at music festivals in the USA, France and Sweden. Grace Guo became principal violist of City Chamber Orchestra of Hong Kong in 2015.