Paul commenced as Chief Executive and Commissioner of the NTC on 8 July 2013. He has extensive knowledge of transport and logistics, having held the position of Executive Director of the Office of Transport Security (OTS) at the Department of Transport and Regional Services from 2006-13. In this position, Paul was responsible for OTS' work within the framework of the National Counter-Terrorism Plan to provide strategic leadership and national consistency in transport security; set and enforce a preventive security framework for the aviation, maritime and oil and gas sectors and work with state and territory governments to implement effective and consistent preventive security measures in surface transport.