Dr Tan Wah Siew is a colorectal surgeon with a strong focus on robotic and minimally invasive techniques, especially for advanced and recurrent colorectal cancers. She trained in Singapore and the UK, completing her fellowship at St. James University Hospital, where she honed her skills in complex pelvic surgeries and robotic procedures. As one of Singapore’s earliest female robotic colorectal surgeons, she has led numerous life-saving operations for colorectal cancer and inflammatory bowel disease.