Daniel C.W. Tsang is a Professor in the Department of Civil and Environmental Engineering at the Hong Kong University of Science and Technology and Pao Yue-Kong Chair Professor at the State Key Laboratory of Clean Energy Utilization of Zhejiang University in China. He was a Professor and MSc Programme Leader at the Hong Kong Polytechnic University, a Visiting Professor at the University of Queensland in Australia and Chulalongkorn University in Thailand, a Visiting Scholar at Stanford University in the US, an IMETE Scholar at Ghent University in Belgium, and a postdoctoral fellow at Imperial College London in the UK. With over 20 years of R&D experience, he has published more than 600 articles in top-tier journals and has been recognized among Stanford University’s Top 2% Scientists and Clarivate’s Highly Cited Researchers in the fields of Engineering and Environment & Ecology. His team is dedicated to developing green technologies for long-term decarbonization and promoting resource circularity and sustainable development. He serves as the Editor-in-Chief of npj Materials Sustainability (Springer Nature), Chairman of the Hong Kong Waste Management Association (2023-2025), and Chairman of the Waste Management Subcommittee of the Advisory Council on the Environment (2023 & 2024) of the Hong Kong SAR Government.