Sam Sambasivan has 27 years of experience in the field of materials science and fire safety. He is a leading expert and authority in fire safety performance of materials for sub-surface railway environment. Sam is an Associate member of the Institution of Fire Engineers (IFE) and he is currently the Head of Materials Science and Product Evaluation at BB7, a fire and security consultancy involved with Fire Safety Legislations, Building Regulations, European and National Standards and test methods for fire safety compliance. He was part of Grenfell Fire Forum, various BSI committees and the author of the London Underground Standard S1085 and Code of Practice G085