Dr Kua was previously a consultant plastic surgeon as well as the director of the Plastic Surgery Service at Changi General Hospital (CGH).
Prior to his current appointments, Dr Kua was the recipient of the SAF scholarship for his medical and plastic surgery training. He then went on to further his training in the UK as an awardee of the AO fellowship and in 2019, he was awarded Health Manpower Development Programme (HMDP) for training in reconstructive breast surgery in Seoul.
Aside from clinical aspects, Dr Kua is well-regarded for his research in composite tissue transplantation and the use of stem cells in wound healing. He has published several peer reviewed journal articles and also received several grants for his research, including the New Investigator Grant (NIG) from the National Medical Research Council (NMRC). He was also nominated for the Young Investigator Award and was awarded the Outstanding Research Award in Transplantation Medicine in the SingHealth Annual Scientific Meeting in 2017.