Adjunct Assistant Professor Wong Chen Seong is a Senior Consultant Infectious Diseases Physician at the National Centre for Infectious Diseases (NCID) and Tan Tock Seng Hospital. He received his medical training at the Yong Loo Lin School of Medicine, National University of Singapore and gained Membership to the Royal College of Physicians of the United Kingdom in 2010. He is a Fellow of the Academy of Medicine of Singapore (Chapter of Infectious Diseases Physicians). 

Adj Asst Prof Wong is Director of the National HIV Programme, and Director of the NCID HIV Clinical Programme. He is actively involved in HIV clinical care and research, with interests in the socio-behavioural determinants of HIV/STI, HIV/STI prevention, HIV Pre-Exposure Prophylaxis (PrEP), innovations in HIV service delivery such as telemedicine, as well as HIV and ageing and co-morbidity. 

Adj Asst Prof Wong is also actively involved in both undergraduate and post-graduate medical education and training, and is a Clinical Lecturer at Yong Loo Lin School of Medicine and Lee Kong Chian School of Medicine, as well as an Associate Programme Director of the National Healthcare Group Internal Medicine Residency Programme.