Administration
- Member, University E-learning Committee (03/2012-)
- Chair, Department of Philosophy (07/2011-12/2012)
- Member, Arts Faculty Budget and Planning Committee (2010-2012)
- Chairman, Faculty Computer Committee (2010-2012)
- Member, Committee of Enquiry into Student Grievances (2010-2012)
- Faculty IT Advisor, Arts Faculty, HKU (2009-)
- Member, PRSD Appeals Panel (2009-2013)
- Member, Arts Faculty Joint Consultative Committee (2008-2014)
- Member, Human Research Ethics Committee for Non-Clinical Faculties (2008-2012)
- Deputy School Head, School of Humanities, HKU (2006-)
- Head of Department, Department of Philosophy, HKU (2005-2006)
- Director, The HKU Cognitive Science Centre (1998-2003)