**About the Editors**

#### **Claudio Sassanelli**

Claudio Sassanelli is Assistant Professor at Politecnico di Bari, Department of Mechanics, Mathematics, and Management, and Senior Research Fellow at the Ecole des Ponts Business School ´ of Ecole des Ponts ParisTech. He received his two master's degrees in Management and Civil ´ Engineering from Politecnico di Bari, respectively, in 2010 and 2013, and his PhD in Management, Economics, and Industrial Engineering from Politecnico di Milano in 2017. He also held visiting researcher positions at Tokyo Metropolitan University (TMU) and Universidade de Sao Paulo (USP). ˜ His main research interest is Product-Service System (PSS) design, specifically addressing Product Lifecycle Management (PLM), Design for X (DfX) approaches, and Circular Economy and Industry 4.0 paradigms. To advance these research domains, he manages Special Issues in international journals as a Guest Editor and disseminates his research by being the co-author of more than 85 publications in international journals, international conference proceedings, and book chapters in the field. He is a member of IFIP WG 5.1 and of the editorial board of the Journals *Sustainability MDPI, Frontiers in Sustainability, Frontiers in Environmental Science*, and *Academia Engineering*. He has a 10-year experience in research, industrial and European research, and innovation action projects. He has been carrying out teaching activities in courses on production systems (environmental management, design and management, industrial technologies, and quality design and management) at Politecnico di Bari, Politecnico di Milano, SUPSI, and LIUC Universita Cattaneo. `

#### **Sergio Terzi**

Sergio Terzi is Full Professor at Politecnico di Milano, Department of Economics, Management and Industrial Engineering, Manufacturing Group. He holds a PhD from Politecnico di Milano and University of Lorraine (CRAN Laboratories). He is the author of four books and more than 200 papers at national and international level. He is member of the Editorial Board of the International Journal on Product Lifecycle Management , member of the IFIP WG 5.7 and vice-chair of the IFIP WG 5.1. He used to work on international and national research projects, generally with dissemination and exploitation responsibilities.
