Li, male, professor of Tsinghua University Chemical Engineering Department, doctoral supervisor, laboratory director of Membrane Technology and Engineering Research Center of Tsinghua University Chemical Engineering Department, editorial board member of the journals Progress of Chemical Engineering and Membrane Science and Technology, special reviewer of the journals of Membrane Science, Separation and Purification Technology and Seawater Desalination, national award-winning expert, member of National Separation Membrane Standards Committee, and vice president of Beijing Membrane Society.