许立言，北京大学建筑与景观设计学院长聘副教授、研究员、博士生导师，数字技术与地理设计实验室主任。北京大学城市规划学士、人文地理学硕士、麻省理工学院城市与区域规划博士。研究方向为时空智能、环境认知理论与方法，及其在空间治理、规划、设计和垂直行业领域的应用。主持国家自然科学基金课题、国家社会科学基金课题、国家重点研发项目子课题等国家级课题四项，部委、国际组织、地方政府及企业委托合作课题二十余项。在主流学术刊物上发表同行评议论文五十余篇。

        Liyan Xu is an associate professor at the College of Architecture and Landscape Architecture (CALA), Peking University, and the director of the Digital Technology and GeoDesign Laboratory at CALA. He holds a bachelor's degree in urban planning and a master's degree in human geography, both from Peking University; and a PhD in urban and regional planning from the Massachusetts Institute of Technology. His fields of expertise include theories and methods in spatiotemporal intelligence and environmental cognition, as well as their applications in spatial governance, planning, design, and cross-cutting areas. He received national research grands for four research projects from the National Natural Science Foundation of China, the National Social Science Foundation of China, and the National Key R&D Program, and serves as the PI for more than 20 commissioned projects from ministries, international organizations, local governments and enterprises. He has published over fifty peer-reviewed papers in academic journals.