Prof. Yuansong Wei earned his Ph.D. in Environmental Science from the Research Center for Eco-Environmental Sciences at the Chinese Academy of Sciences in 2000. He then conducted postdoctoral research at TNO Environment, Energy and Process Innovation in the Netherlands from 2001 to 2002 and served as a Visiting Scholar at EAWAG, the Swiss Federal Institute of Aquatic Science and Technology, from 2008 to 2009. In recognition of his contributions to environmental science, Prof. Wei was honored with the Second Prize at the State Scientific and Technological Progress Award of China in 2018. Currently, he serves as the Managing Director at the Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. His research topics mainly include water and wastewater treatment, sludge reduction and resource recovery, biological treatment of animal manure, and river restoration.