Joan came from Mainland China, native Mandarin speaker. She has high diploma of Teaching Mandarin from the University of Hong Kong.

Joan had more than 5 years part time Mandarin teaching working experience before 2006 during she worked at airline company, and she changed to be a full time Mandarin teacher from 2006. She took lessons for KSA consulting which help their clients to set up staff Mandarin training courses; Also, Joan is the Mandarin teacher for the lectures of Hotel and Tourism Management from The Polytechnic University.