Educated at the University of Western Australia, he completed his medical training at Royal Perth Hospital.
After embarking on the specialist training program for anaesthesia, he was admitted as a Fellow of the Australian and New Zealand College of Anaesthetists in 1996.
Following this, he completed two years of post-fellowship training in Cambridge (UK) at both Addenbrookes and Papworth Hospital. It was at these institutions he undertook subspeciality training in transplantation anaesthesia (liver and kidney) and cardiac anaesthesia.
He returned to Perth as a sessional consultant at Fremantle Hospital and commenced private practice. In 1999 he moved to Royal Perth Hospital, where he worked as a cardiac anaesthetist and as a member of the cardiothoracic unit transplantation team until 2014.
He has been chairman of Metropolitan Anaesthesia, a private anaesthetic group of 30 associates, is the Western Australian chairman of the Australian Society of Anaesthetists and is now the Director of Anaesthesia and Pain Medicine at St John of God Murdoch Hospital.
His practice has included paediatric, orthopaedic, bariatric, obstetric, general and cardiac anaesthesia.
Dr Borshoff is also the author of the highly successful Anaesthetic Crisis Manual now in its second edition and having been translated into Italian, Spanish, Russian, Polish and German. He is also co-editor with Dr Scott Weingart of the soon to be released Resuscitation Crisis Manual and is currently developing the A-CAS decision support system for crisis management.
His anaesthetic interests include cardiac and bariatric anaesthesia, crisis management and simulation. He is the holder of a private pilot’s licence and continues to apply aviation safety principles, including CRM, to the healthcare industry.