Philip Cash is Professor of Design at Northumbria University, where his research focuses on design processes, design methods and design research quality. He holds a PhD in Engineering Design from the University of Bath and has published extensively on design research methodology, theory, behavioural design, and design processes. His work combines academic research with collaboration across design, behavioural science, management, and industry. Philip is a Fellow of the Design Research Society, Co-Chair of the Design Society’s Research Quality Special Interest Group, and a Senior Editor at the Designing journal. He has also played an active role in advancing research quality and methodology within the international design research community through over 10 years of teaching and research on design research methods. His expertise in research methodology and his international standing in the field make him particularly well placed to co-develop a comprehensive guide to design research.