Ivan Vince is a Chartered Chemist and Chartered Chemical Engineer with 40 years' experience in fields related to process safety, beginning with postdoctoral research at Imperial College involving flammability limits. He has taught postgraduate modules on risk assessment at several universities in the UK and abroad, given expert evidence at nine Public Inquiries and participated in the investigation of several major accidents, including Buncefield. Publications include Vince I (ed) (2008) Major accidents to the environment - a practical guide to the Seveso II Directive and the COMAH regulations (Oxford: Elsevier) ISBN: 978-0-7506-8389-0.; Vince I (2013) Explosion at a hazardous waste site caused by contaminated nitric acid, Chemical Engineering Transactions 31, 535.; Vince I (2011) Societal risk in land use planning - the scale of 'scale aversion', Hazards XXII, Symposium Series No.156, 408-410 (Rugby: IChemE).