Dr B. Stephen Wong is a Part Time Lecturer with Nanyang Technological University. Singapore. He has lectured at NTU for 30 years, with the School of Mechanical and Aerospace Engineering, where he presented course modules and conducted research in Non-Destructive Testing. Prior to this he worked for 11 years in the UK, conducting research and development and auditing sub-contractors in NDT. During this latter period he worked 2 years for Clarke Chapman - International Combustion Plc Ltd, a pressure vessel fabrication company and 9 years for Rolls Royce Plc Ltd, a gas turbine engine fabrication company. He has a PhD in Physics from the University of Manchester Institute of Science and Technology, UK and has published over 90 papers in various journals and conferences mainly in non-destructive testing. In 1997 he set up the Non-Destructive Testing Society Singapore was its President from then up till 2014. He is a Member of the Overseas Advisory Panel for the British Institute of NDT for Singapore and is a Technical NDT auditor for the Singapore Laboratory Accredition Service. He has collaborated with various companies (including RSAF and GE, USA) on NDT projects for many years. In 2014 he published a book called Non-Destructive Testing published by Lambert Academic Publishing.