Ir Prof. Dan 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 in the State Key Laboratory of Clean Energy Utilization at Zhejiang University in China. Dan was a Professor and MSc Programme Leader at the Hong Kong Polytechnic University, Visiting Professor at the University of Queensland in Australia and Chulalongkorn University in Thailand, Visiting Scholar at Stanford University in the US and IMETE Scholar at Ghent University in Belgium, and postdoctoral fellow at Imperial College London in the UK. He has more than 20 years of R&D experience, published more than 600 articles in the top 10% journals, and was selected as Stanford University's Top 2% Scientists (Lifetime) and Clarivate's Highly Cited Researchers in the academic fields of Engineering as well as Environment & Ecology. Dan’s team aspires to develop green technologies for long-term decarbonization and promote resource circularity and sustainable development. Dan also serves as the founding Editor-in-Chief of npj Materials Sustainability (Nature Portfolio), Chairman of the Hong Kong Waste Management Association (2023-2025), and Chairman of Waste Management Subcommittee of the Advisory Council on the Environment (2023&2024) of the Hong Kong SAR Government.