Ji Chen is Professor at Department of Civil Engineering of The University of Hong Kong (HKU). He obtained his PhD degree from UIUC, and ME and BE degrees from Tsinghua University, and joined HKU in September 2004. His research interests lie in water resources, terrestrial hydrologic processes, climate change, urbanization, natural hazards and remote sensing. He has graduated fourteen PhD students and is an author of more than 90 research journal papers. Prof. Chen is an associate editor of three international research journals: Journal of Hydrology, Journal of Hydro-Environment Research, and Stochastic Environmental Research and Risk Assessment. He was the president the Hydrological Sciences Section in Asia Oceania Geosciences Society (2018-2020) and the chairman of the International Association for Hydro-Environment Engineering and Research-Hong Kong Chapter (2019-2021). He is serving AGU Lal Medal Committee (2020-) and AOGS Awards Committee (2021-).