Dr John Ang is a Consultant with the Department of Medical Oncology at Tan Tock Seng Hospital (TTSH), Singapore. He graduated with MBBS from the Yong Loo Lin School of Medicine in 2015 and obtained his Master of Medicine in Internal Medicine and MRCP (UK) in 2018. He completed his Medical Oncology residency training in 2023 under NHG Health, where he served as Chief Resident from 2021-2023.

Dr Ang's clinical and research interests include lung and thoracic cancers and genitourinary cancers. He also serves as Visiting Consultant for Medical Oncology in Khoo Teck Puat Hospital Singapore (KTPH) and Woodlands Health Campus Singapore (WHC).