Arnold Dix is recognised internationally as both a rail and road tunnel fire and life safety risk expert with appointments to most of the world’s peak regulatory bodies including NFPA 130 and NFPA 502. He holds dual qualifications in science and law, and has extensive experience in technical and legal aspects of standards and their practical application internationally.  He has decades of pragmatic hands on construction and operational experience.  He holds tertiary level teaching appointments.  These life skills empower him as a pragmatic teacher.