Trained in paediatrics in the UK, Dr Ben was a senior registrar at the Children's Hospital in Sydney and Senior Consultant Paediatrician at Royal Darwin Hospital from 1974 - 1988. He now practices at Palmerston Medical Clinic and Nakara Medical Clinic.
Fellow of the Royal Australian College of Paediatrics (FRACP), Fellow of the Royal College of Physicians - London (FRCP), Fellow of the Royal College of Paediatrics and Child Health (FRCPCH), and holder of a Diploma in Child Health - London (DCH). He also held an academic position as a senior lecturer in paediatrics (adjunct) at Flinders University until 2014.