Associate Professor Munjed Al Muderis is a world leading osseointegration surgeon and Adjunct Clinical Associate Professor at the University of Notre Dame Australia in Sydney. He practises as an orthopaedic surgeon at the Norwest Private Hospital, the Seventh Day Adventist Hospital and the Macquarie University Hospital in Sydney's northern suburbs. He lives in Sydney with his wife Irina, who's a GP, and their daughter Sophia. Patrick Weaver is a highly regarded writer and public relations consultant who runs his own public relations and creative writing business in Sydney. He was previously a senior executive with an international public relations firm and with the Australian Broadcasting Corporation. Patrick is a former journalist with extensive experience in radio and newspapers in Australia, New Zealand and the United Kingdom. He was born in the UK, migrating to New Zealand in 1975 and to Australia in 1978. He lives in Sydney and has two adult children.