Born in Hong Kong, Kwok studied at the Royal Academy of Music with Guy Jonson and later with Louis Kentner in London. He has been Head of Keyboard Studies at The Hong Kong Academy for Performing Arts since 1989. In 2003, he was selected as the Fellow of the Royal Academy of Music. In 2014, Kwok was awarded Medal of Honour from the Hong Kong Government for his contribution to piano education in Hong Kong.

Kwok is now Visiting Professor at the Shenzhen Arts School, Xi’an Conservatory of Music, Xinghai Conservatory of Music, Wuhan Conservatory of Music and China Conservatory of Music. He has served on the faculty of the International Institute for Young Musicians in the U.S., Chetham’s International Piano Summer School in the U.K., Music Fest Perugia in Italy, Coimbra World Piano Meeting in Portugal, Beijing International Piano Festival in China, Tel-Hai International Piano Master Classes in Israel, to name a few. He has given masterclasses in China, Singapore, the Republic of Korea, the United Kingdom, Germany, the Netherlands, Portugal, the United States, Canada, Australia and New Zealand. He has been a jury member of many international competitions.

Kwok has collaborated with many distinguished artists, playing solo or accompaniment in concerts, such as Pierre Amoyal, Alexander Ballie, Lu Siqing, Albert Markov, Jenny Ren, among many others.