He graduated from National University of Singapore (NUS) in 1987 and attained his surgical Fellowships in Royal College of Edinburgh and Royal College of Glasgow in 1992. In the same year, he attained his Master of Medicine in Surgery (NUS). During this period, he trained under two esteemed Professors of Surgery, Professor Abu Rauff and Professor Rajmohan Nambiar. From them, Dr Lim learnt the humility and the humanity of Surgery and that have since stayed with him.