Zipan Cai is a PhD student in the Department of Sustainable Development, Environmental Science and Engineering (SEED) at the KTH Royal Institute of Technology, Sweden. He works in the Land and Water Resources Engineering (LWR) program, under the supervision of Prof. Vladimir Cvetkovic. His research interests include urban spatial planning, spatial dynamic modeling, planning support system, and smart city studies. He has over 10 years of experience in the field of GIS and related professional skills. His current research focuses on decision support for urban planning.