Served as secondary school teacher, early childhood teachers, research assistant at York University (Canada), instructor at the Hong Kong Baptist University, lecturer at the Hong Kong Polytechnic University and the Hong Kong Institute of Education. Courses taught: Principles of Curriculum Design, Curriculum Integration and Implementation, Children and Assessment in Early Childhood Education.

Professionalization and Professionalism in Teacher Development, Pedagogical Decision Making, Early Childhood Teacher Education in Hong Kong, Principles, Practices, and Approaches in Early Childhood Education, Developmentally Appropriate Practice, Play and Children’s Learning.