Dr Vishal is a general surgeon trained in open, laparoscopic and robotic hepatobiliary and pancreatic surgery and diagnostic foregut and hindgut endoscopies. He is involved in undergraduate and postgraduate teaching and training; and received hospital, cluster and medical school level various teaching awards. He serves as a program director for PGY1 program and Director of Surgical Science Training Centre at Tan Tock Seng Hospital.

Dr Vishal has published >160 papers and >10 book chapters. He has contributed to many international guidelines, delivered >25 oral invited or nominated international lectures and serves on editorial board of international journals. He serves as a board member of Chapter of Surgeons, College of Surgeons, Singapore. He is the founding member of Singapore HPB association.

Dr Vishal is involved in various surgical quality and patient safety initiatives. He has conducted local primary care and public seminars/forums to raise cancer awareness and drive patient-centric value driven safe surgical care. Dr Vishal has keen interest in healthcare ethics and is an active member of institutional clinical research and ethics committees. He is registered as a medical expert witness and renders medico-legal assistance upon request.