Dr Ho Kok Sun graduated from National University of Singapore in 1993. He obtained his Master of Medicine in Surgery from National University of Singapore in 1998 and also became a fellow of the Royal College of Surgeons of Edinburgh in the same year.
He completed his training in general surgery in 2002. He went to Cleveland Clinic Florida in 2002 for his fellowship and has been subspecializing in colorectal surgery since he completed his general surgery training.