Prof Dr Gang Liu, finished his PhD at Delft University of Technology in 2013, and afterward worked as senior researcher at Oasen drinking water in the Netherlands. He was promoted to be assistant professor at Delft University of Technology in 2016. Since late 2018, he took the position of Professor and Team leader at Research center for eco-environmental sciences, Chinese Academy of Sciences. Now, he is visiting professor at Delft University of Technology. He has established green water processes lab since 2018 and become the deputy director of CAS key lab on drinking water science and technology in 2020. His research focuses on nature-based water solutions and water environment biosafety, including viral safety. He is especially interested in simple, short and chemical free drinking water solutions based on riverbank filtration. More specifically, he developed new methodologies for measuring micro/nano-plastics and viruses in aquatic environments, new concepts for assessing drinking water microbes and microbial ecology. Currently, he is co-editor in chief for IWA flagship journal Water Science and Technology, managing editor for Blue-Green Systems, and editors for the Chinese Academy of Engineering flagship journal Engineering. He is vice-president of Young Professional Committee of Chinese Water Professional Association.