Consultant of Haematology/Oncology Team, Department of Paediatrics & Adolescent Medicine, Hong Kong Children’s Hospital 
Consultant of Department of Paediatrics & Adolescent Medicine, Queen Mary Hospital
Honorary Clinical Professor of Department of Paediatrics & Adolescent Medicine, LKS Faculty of Medicine, The University of Hong Kong 
Founding member of the Hong Kong Society for the Study of Thalassemia
Board director of two charitable organizations