Christelle Didier is Associate Professor in sociology and the philosophy of education at the University of Lille, and a member of the CIREL laboratory. She holds a BSc in Engineering, an MA in Education and a PhD in Sociology. Her research focuses on engineering ethics, identities and education, including cross-cultural, transdisciplinary and gendered perspectives. She is author of Penser l’éthique des ingénieurs (Presses Universitaires de France, 2008) and Les ingénieurs et l’éthique. Pour un regard sociologique (Hermes, 2008), and co-author of Ethique Industrielle (De Boeck, 1998). Didier is a contributor to four volumes in Springer's Philosophy of Engineering and Technology book series, including: International Perspectives on Engineering Education (2015); Engineering Identities, Epistemology and Values (2015); The Engineering-Business Nexus (2019); and Engineering Social Science and the Humanities (2022). She has published many articles on ethics, values, social responsibility and sustainable development in the engineering profession and on education. She is the initiator and co-founder of the collective EPSI (Études Pluridisciplinaires sur l'Ingénierie [multidisciplinary studies on engineering])

Aurélien Béranger is a PhD student in communication sciences and philosophy of technology at the Costech Lab of the UTC (Université de Technologie de Compiègne). The focus of his thesis is the low-tech movement in France. Member of Collectif EPSI (Études Pluridisciplinaires sur l'Ingénierie - Multi-disciplinary engineering studies). His main research interests include low-tech, technology-oriented social movements, appropriate technologies, engineering, open source, makers and degrowth studies.

Antoine Bouzin is a PhD Student in Sociology and Political Science (Centre Émile Durkheim, France), co-founder of Collectif EPSI (Études Pluridisciplinaires sur l'Ingénierie - Multi-disciplinary engineering studies) and Collectif Biomasse & SHS (Biomass studies from human and social sciences). Bouzin's research areas include engineering studies, social movements, public action and policies, environment, expertise

Hugo Paris holds a PhD in educational sciences from Aix-Marseille University. Paris is co-founder of collectif EPSI (Études Pluridisciplinaires sur l'Ingénierie), a post-doc researcher at INSA Lyon, Unesco Chair Training engineers for the socio-ecological transition. Paris's research areas include superior education for sustainability, teacher continuous training, curriculum studies, and anthropological approach to didactics (TAD).

Jérémie Supiot is a PhD student in philosophy at the CONFLUENCE: Sciences et Humanités research unit (EA 1598) of UCLy (Lyon Catholic University) and LUMSA University at Rome. His thesis focuses on ethical empowerment at the interface between society and the university. It is supervised by Mathieu Guillermin (UCLy, Lyon) and Stefano Biancu (LUMSA, ROME), and is part of the Activity 4 of the NHNAI project. His main research topics are epistemology and engineering ethics. He co-organizes the ETIUS seminars at the Université Catholique de Lyon. Co-founder of collectif EPSI (Études Pluridisciplinaires sur l'Ingénierie), which organizes the Cultures d'Ingénieurs et Formation seminars.