1. Certificate “Fellowship Adult Joint Recenstruction” dari Singapore General Hospital January – July 2003
2. Certificate “Fellowship Arthroscopy and Orthopaedic Sports Medicine” dari Yonsei University, Seoul, Korea March – September 2004.
dalam bahasa Korea
dan bahasa Inggris
3. Certificate “Fellowship Shoulder and Elbow Surgery” dari Kyung Hee University, Seoul, Korea, October 2003 – January 2004
