Spine Surgery
The Thai Orthopaedic Association.
The Royal College of Orthopaedic Surgeon of Thailand.
The Medicine Association of Thailand.
Chulalongkorn Medical Alumni Association.
Thai Medical Council.
AO Alumni Assocciation.
M.D. (First Class honor)
Free Paper presentator : Annual meeting of Royal College of Orthopaedic Surgeon of Thailand, Pattaya, October 2003