Dr Harris Charles Greenberg graduated as a specialist in oral and maxillofacial surgery in Johannesburg, South Africa, in 1987, and has been associated with St John of God Geraldton Hospital in providing surgical care to the Geraldton community for more than 13 years.

He is based in Subiaco and regularly flies to Geraldton to consult patients for treatment at St John of God Geraldon Hospital.