Research interests: Language Assessment, Language Teaching Methodology and Computer Assisted Language Learning. 

Chair Professor and Head of the Department of Curriculum and Instruction in the Faculty of Education and Human Development at The Education University of Hong Kong, where he is a teacher educator, working with teachers in Hong Kong primary and secondary schools. David joined the EdUHK in 2012 from The Chinese University of Hong Kong, where he spent over 20 years in the Department of Curriculum and Instruction. His main publication and research interests are in language assessment, language teaching methodology and computer assisted language learning. He led the team which developed the Language Proficiency Assessment of Teachers (English). Recently, he has been leading research into the comparability and acceptance of onscreen marking with the HKEAA, as well into the long-term impact of the Language Proficiency Assessment of Teachers (English) examination.