||He has also served a training stint as an advanced trainee and clinical fellow at the prestigious Cleveland Clinic Foundation (USA).
Head of Department for Colorectal Surgery at Singapore General Hospital (2003 – 2010).
Visiting Senior Consultant, Changi General Hospital (CGH).
Senior Consultant Surgeon and Chief, Pacific Surgical and Colorectal Centre (PSCC).
Chairman, Medical Board, Pacific Healthcare Holdings (PHH).
Medical Director, Pacific Surgical and Endoscopy Centre (PSEC).
Adjunct Professor of Surgery at the Duke-NUS Graduate Medical School (Singapore).
Visiting professor at the University of Hong Kong.