Professor Wong is Co-Director of the Centre for Safe Medication Practice and Research, Department of Pharmacology & Pharmacy, and holder of the Lo Shiu Kwan Kan Po Ling Professorship in Pharmacy at HKU. He is Co-Director of Centre for Medication Optimisation Research and Education (CMORE) at the University College London Hospital and UCL School of Pharmacy. His expertise is in children's health, using big data research to investigate optimum use of medications for children, and formulating and producing new medications for treatment of various conditions such as epilepsy, arthritis and acute pain in young patients.