Dr Guibo Sun is an Assistant Professor in the Department of Urban Planning and Design and the founding director of Urban Analytics and Interventions Research Lab at the University of Hong Kong. His research interests lie in the social, economic and health outcomes of large-scale interventions in cities such as new metro lines, large-block gated communities, and urban renewal projects. He specialises in developing natural experiment research designs to estimate the causal effects of such interventions. His work established essential urban data, new methodologies and causal evidence to extend the scientific understanding of social and health impacts of the new transport infrastructure and neighbourhood and street changes, contributing to healthy and sustainable cities in Asia. His research won the US Lincoln Institute International Fellowship-China Program 2023, the UK’s RTPI Academic Awards for Research Excellence in 2019 and 2021, and HKU Research Output Prize 2021.