Dr. Xin Liang is Senior Lecturer in the Center for Language Education at the Hong Kong University of Science and Technology. She teaches Chinese as a foreign language and as the first language to undergraduates, postgraduates, and MBA students. Dr. Liang developed many courses including Chinese for non-Chinese background students and Chinese writing for academic purpose. Before taking up the position in Hong Kong, she taught Chinese pedagogy and trained teachers of Chinese in Mainland China. Dr. Martha Lam is Associate Director in the Center for Language Education at the Hong Kong University of Science and Technology. A language practitioner, teacher and teacher-educator for over 30 years, she has taught and developed Chinese courses for non-native speakers of Chinese in Sydney and Hong Kong, and is currently involved in the training of Chinese teachers for Teaching Chinese to Speakers of non-Chinese background.