Nigel has been active in the Australian Process Safety community since the Longford explosion, when as the manger of a PVC plant he led the development of the first major hazard facility safety case in Australia. During the early days, Nigel shared lessons learned with the the major hazards community and regulators around the country. Nigel has since been consulting with Arup on all areas of process safety and dangerous goods management including acting as an expert witness. Nigel is also Arup's Global Chemical Engineering Skills Network leader and undertakes a number of IChemE and RPEQ volunteer roles.

Richard has over 40 years’ experience across many industries and countries. He is a senior principal consultant providing safety and risk consultancy and services to projects. His in-depth knowledge of flammable and toxic hazards, the associated consequences and industry best practice safeguards help reduce risks to ALARP or SFAIRP. Richard is an experienced workshop facilitator for HAZID, ENVID, HAZOP, LOPA, SIL, CHAZOP, SAFOP, SMS, layout and PHA leadership.