His research interest is positive psychology – study of human strengths and potentials. He has conducted research studies in various areas related to parenting, learning, mental health, and developing strengths in students: optimism, selfefficacy, learning motivation, parent-child relationship and mental health. His research papers have been presented in international conferences, including American Psychological Association and International Congress of Psychology. He has been a visiting lecturer of the University of Wisconsin – Oshkosh. He also serves as the Fieldwork Mentor in Educational Psychology for the University of Hong Kong. He teaches a course on “Positive Psychology” at the Hong Kong Polytechnic University and a course on “Gifted Education” (training program for teachers) at the University of Hong Kong.