Academic Positions
- Professor (Tenured), Division of English Language Education, Faculty of Education, Simon Fraser University (2014–present)
- Associate Dean, Faculty of Education, The University of Hong Kong (2010–2013)
- Associate Professor (Tenured), Division of English Language Education, Faculty of Education, The University of Hong Kong (2010–2014)
- Acting Head, Department of English, City University of Hong Kong (2008–2009)
- Associate Profesor (Tenured), Department of English, City University of Hong Kong (2008–2010)
- Adjunct Professor, Department of Curriculum and Instruction, Faculty of Education, Chinese University of Hong Kong (2008–2010)
- Professor II (Tenured), Department of Curriculum and Instruction, Faculty of Education, Chinese University of Hong Kong (2007–2008)
- Associate Professor, Department of Curriculum and Instruction, Faculty of Education, Chinese University of Hong Kong (2005–2007)
- Associate Professor (Tenured), Department of English and Communication, City University of Hong Kong (2002–2005)
- Assistant Professor, Department of English, City University of Hong Kong (1996–2002)
- Lecturer, Department of English, City University of Hong Kong (1996)
- Lecturer, Department of English, City Polytechnic of Hong Kong (1990–1991)
- Assistant Lecturer, Department of English, City Polytechnic of Hong Kong (1989–1990)
- Assistant Language Instructor, Language Centre, University of Hong Kong (1988–1989)
- Lecturer, Junior College, University of East Asia (Macau) (1987–1988)
- English Language Teacher, St. Clare's Girls' Secondary School (1984–1985)