The Association of Orthodontists (Singapore) is a professional association of orthodontic practitioners committed to promoting the art and science of orthodontics through continuing education and research, maintaining a high standard of ethics and professional conduct, improving the health of the public by providing quality orthodontic care, and enhancing orthodontic awareness to the public through health education programmes.

AOS Executive Committee 2011/2012

President :	Dr Arthur Lim
Vice-President :	Dr Chng Chai Kiat
Hon Gen Secretary :	Dr Enrica Sham
Asst Secretary :	Dr Phan Kok Leong
Hon Treasurer :	Dr Michael Mah
Committee Members :	Dr Geraldine Lee
	Dr Florence Wong (CPE Chair)
Internal Auditor :	Dr Canon Chong
APOS Rep :	Dr Bryce Lee
CDE Advisor :	Dr Foong Weng Cheong Kelvin
Immediate Past President :	Dr Vic Pearly Wong