Liu Hailong, an associate professor at the Department of Landscape Architecture, Tsinghua University, and a visiting researcher at the Weitzman School of Design of the University of Pennsylvania, is interested in urban stormwater management, river protection and restoration, watershed planning, national park and heritage network, etc. He is a member of ASLA, RMS, CHSLA, CHES, CSUS, CUA, and other academic societies.