Dr. Liu Xin is tenure track professor in the Academy of Arts & Design, Tsinghua University. He is director of the Eco-Design Research Institute, Deputy Director of Sustainable Design Research Institute and a Part-time Research Fellow at the Institute for State Governance and Global Governance, Tsinghua University. Coordinator of DESIS Lab Tsinghua, The Initiator and Coordinator of LeNS-China, Global Council Member of the World Green Design Organization. His academic and professional work focuses on sustainable design, product-service system design, and social innovation design, spanning teaching, research, and practical applications. He has authored multiple monographs and published over 50 papers in key conferences and core journals. Professor Liu has led and participated in numerous national-level research projects, including those supported by the National Social Science Fund, the National Natural Science Fund, and the National Key R&D Program of China. Additionally, he has directed and contributed to a wide range of design education, product innovation, and service design initiatives, with his design works receiving several international awards.