Dr Muir has been qualified as a doctor since 1983.  He graduated from the University of Tasmania, completing his residency and commencing training as an Anaesthetist at the Royal Hobart Hospital.

His specialist anaesthesia training was completed in 1994 and included work in the Anaesthesia Departments of Leicester, Oxford, St. Vincent’s Hospital Melbourne, as well as the Royal Childrens’ and Woman’s hospitals of that city. A Master’s degree in Science (Pharmacology) was completed at the University of London in 1990.

Pain Management training was completed at the Royal North Shore hospital from 1994 to 1997.  In 1998 Dr. Muir returned to Melbourne to establish the Barbara Walker Center for Pain Management, a multidisciplinary pain clinic based at St. Vincents’ Hospital. He remained Director of the unit until 2008.  Later in 1998 he was appointed Clinical Director of the Geelong Hospital Pain Clinic.  In 1999, he was awarded Foundation Fellowship of the Faculty of Pain Medicine, Australia and New Zealand College of Anaesthetists.

Dr Muir is a fulltime Pain Physician both in private and in the public hospital system. His interests are in the use of interventional techniques in the control of chronic non-cancer pain as well as the role of multidisciplinary program based techniques.  Dr Muir’s practice also includes a medico-legal component through his involvement with the Melbourne Pain Group.

He has continuing responsibility for Registrar teaching through his involvement with the ANZCA teaching program for Anaesthetists preparing for Primary and Final Fellowship examinations between 1998 and 2009, and as Supervisor of Training at the Barbara Walker Centre for Pain Management.