Dr Kuan has served in consecutive councils of the Singapore Dental Association since 2006 and was elected President twice for the 2012/14 & 2014/16 terms. He has served in the following roles:
- an appointed member of the Dental Services Advisory Group and National Ethics Capability Committee in the Ministry of Health
- appointed member of the Faculty Advisory Committee for the Faculty of Dentistry, National University of Singapore
- appointed member of the Dental Advisory Panel for Health Science Authority and Personal Data Protection Commission.