Peter is Head of Department of Oral and Maxillofacial Surgery at Royal Perth Hospital. He is a consultant surgeon at Perth Children's Hospital and Fiona Stanley Hospital, and maintains a group private practice. Peter attended post-graduate fellowship training posts in Paediatric Oral and Maxillofacial Surgery, Orthognathic and Trauma Surgery, and TMJ Surgery in Melbourne, followed by Head and Neck Oncology fellowship in Glasgow.