Gauthier Fanmuy is a CATIA Industry Process Consultant Director at Dassault Systèmes. He is a System Engineering Expert, promoting value and methods for model-based systems engineering holistic approach in a digital thread, from Organization/System of systems to System product design. He previously managed Cyber-Systems Portfolio in CATIA R&D. He previously worked as Systems Engineering consultant in ADN Europe, as well at PSA Peugeot Citroën and Dassault Aviation as a system engineer. He is involved international associations such as INCOSE and OMG. Gauthier is author of books and multiple articles, as well as a speaker in multiple conferences. He teaches Systems Engineering at ENSTA school.