Dr Hwang has over 15 years experience in occupational medicine in various industries including manufacturing, transport and logistics, hospitality, healthcare and government services. He has also been a regular examiner for the Australasian Faculty of Occupational Medicine as well as the Hong Kong Academy of Medicine.

He takes referrals for all occupational medicine cases, with particular focus on return-to-work and worksite assessments. He is also an approved independent medical examiner for numerous authorities.

Outside work, Dr Hwang is a keen skier and martial artist. He has recently achieved 4th Dan black belt in Taekwondo and competes regularly in national and regional tournaments.