David H. Phillips is a Professor of Practice in the Welding Engineering program at The Ohio State University, USA. Dr. Phillips earned his PhD in Welding Engineering and, alongside the prior edition of this book, has co-authored the textbook Resistance Spot Welding: Fundamentals and Applications for the Automotive Industry. He is a licensed Professional Engineer (PE) in Welding Engineering, an International Welding Engineer (IWE), and a Certified Welding Inspector (CWI) with more than 20 years’ experience in the field. Dr. Phillips is a recipient of both the Adams Memorial and the MacQuigg teaching excellence awards.