He underwent further training at the National Cancer Center Hospital in Tokyo on a Ministry of Health Fellowship in Upper Gastrointestinal Cancer Surgery and also spent a year working in the Royal Infirmary of Edinburgh, United Kingdom, as an honorary consultant in upper gastrointestinal surgery. Other training awards he received include a TTSH Scholarship in Advanced Laparoscopic Surgery at the Mount Sinai Medical Centre, New York, and an International Cancer Fellowship from the Union Internationale Contre le Cancer for the Treatment of Peritoneal Cancer at the Washington Cancer Institute in Washington DC.