Josep Nadal studied Chemistry at the University of Girona, in Catalonia (Spain), and completed a PhD at the same University. The development of silicone additives for PU was the aim of the PhD, and the investigation was done in collaboration with Concentrol. Josep joined Concentrol in 1998, starting his professional career working in a variety of roles in the technical department and R&D, first as assistant technical manager, and from 2002, as a technical manager for silicone-based PU additives. He was in charge of the development of the range of silicone additives for molded-flexible PU foam and from 2008 he was in charge of the development of silicone additives for rigid and conventional flexible PU foams. He has been the team leader for the development of silicone-based PU additives since 2013, and he works in customer support and technical advice in close collaboration with the commercial managers. He has published articles in the PU Magazine International and has presented technical seminars in the PU China 2010, UTECH NA 2016, PSE Europe 2017 and UTECH Europe 2021.