B.Dental Surgery, University of Malaya, Kuala Lumpur, 1992.
Senior house officer Queen Victoria Hospital National Health Service Trust, East Grinstead, England, 1995—1996. Lecturer Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia, 1996—1999. Private dental practitioner Sim & Hooi Dental Surgery, Malaysia, 1992—1993.
Visiting consultant oral surgeon Hospital Universiti Kebangsaan Malaysia. Lecturer University of Malaya, Kuala Lumpur, Malaysia, since 2000.
Member Malaysian Dental Council, Kuala Lumpur, Malaysia, 1998—2001. Fellow: Royal College of Surgeons of England (member, none none), Royal College of Surgeons in Ireland (none none). Member: International Association of Dental Research (none, none none), Malaysian Association of Oral and Maxillofacial Surgery (committee member 1998-1998, none none), Malaysian Dental Association (none, none none).
Married Wen Lin Chai, June 28, 1995. Children: Yi Ting, Yi Xiang.