Roberto Álvarez is an electrical engineer with a PhD in Manufacturing Process Engineering. He currently heads the Mechanical Engineering Department at Nebrija University, Madrid, Spain. He has over fourteen years of experience as a lecturer in electric machines, manufacturing processes, quality systems and lean management, environmental science, and electric vehicles, and serves as a consultant on these topics for various companies in Spain (Hyundai, CNH2, Carrefour). He is the author of numerous articles and contributions to scientific conferences related to lean manufacturing, energy, and greenhouse gas emissions. High-profile journal outlets include Energy Policy, Energy, Land Use Policy, the Journal of Automobile Engineering, and the Journal of Cleaner Production. He is also a reviewer for a number of journals in the area. He has coauthored two books: “Mathematics for Engineers” (Ed. Paraninfo) and “Legal Architecture” (Ed. Munilla). Rodrigo Martínez is an industrial design engineer and has a PhD in Industrial Design. He currently heads the Industrial Design Department at Nebrija University, Madrid, Spain, and has broad experience in the development of design projects as a lecturer in industrial design, design, and environment, or eco-design, projects. He has developed and coordinated projects with several companies and agencies such as Ecoembes, Lékué, Ikea, Retecork, or Finsa. He is the author of numerous papers and contributions related to the methodological process of design, including the importance of a lifecycle in the conception of products and solutions. He has also served as a reviewer for various journals in this area and collaborates with the main design agencies in Spain, such as Red-Aede and ADI-FAD. He is the editor of Experimenta Magazine, and is also editing a book on the importance of the identity in the product design process.  Sergio Zubelzu is an agricultural engineer and has a PhD in Environment and Sustainable Development. He is currently an assistant professor at the Technical University of Madrid and has over ten years of experience as a lecturer in statistics and operations research and as a consultant hydraulic engineer. His research activities mainly concern the methodologies to simulate physical and environmental phenomena. He has authored and coauthored several articles, contributions to scientific congresses and books.