Dr Su completed his undergraduate training at Sydney University with first class honours and the University Medal in Pharmacy. He then went on to study Medicine at the University of Queensland, he did 6 years as a medical registrar based at Concord Hospital, then 2 years as a locum doctor (mostly Emergency Department work all around Sydney) followed by training/completion for FRACGP.

Dr Su has an interest in skin cancer medicine and he has completed the Certificate in Skin Cancer Medicine (The Skin Cancer College of Australia and New Zealand).