He served in the Royal Australian Air Force from 1974-2000, primarily in aviation medicine roles within Australia and overseas, whilst having particular interests in illness and injury prevention and health promotion. He was a senior executive with Qantas from 2000-2008, where he firstly developed and then managed the Group’s OHS and occupational medicine programs. Since 2008 he has been involved in a diverse range of activities, including clinical practice and generating OHS programs for industry, as well as continuing to be a serving Air Force Reserve officer. In April 2011 he again accepted a full-time commission with the Australian Defence Force as Director, Military Medicine, Joint Health Command, located in Canberra.