Dr John Chia is a medical oncologist practising at Mount Elizabeth Novena Hospital, Singapore. His subspeciality interests include ovarian, endometrial, cervical, breast and colorectal cancers, as well as the management of rare tumours such as melanoma, uterine sarcoma, and germ cell tumours. Dr Chia was the former chief of the gynaecology oncology service in the Division of Medical Oncology at the National Cancer Centre Singapore. He is also a founding board member of the Gynecologic Cancer Group Singapore, and the chair of its scientific subcommittee. He is also a council member of the College of Clinician Scientists at the Academy of Medicine, Singapore, and an adjunct associate professor at DUKE-NUS Medical School. He sits on the scientific board of the International Aspirin Foundation, and lectures widely, in Japan, Korea, HK, China and UK. Dr Chia is extremely active in clinical trial research, and has developed numerous research protocols and trials for ovarian, cervical, colorectal, nasopharyngeal, and breast cancer.