Dr Dennis Koh trained as a general and colorectal surgeon and previously served as a consultant at Singapore General Hospital. He graduated from the University of Nottingham and pursued advanced surgical training in Singapore, where he earned his fellowships from the Royal College of Surgeons of Edinburgh and the Academy of Medicine. He performs a wide range of surgeries, including laparoscopic, robotic, and transanal procedures, and has completed over 10,000 endoscopic cases.