Professor Liu received his BSc degree from USTC in 1996 and PhD from Brown University in 2004. He joined HKU as an assistant professor in 2008 after completing postdoc training at Brown and Yale University, and promoted to associate professor in 2013 and professor in 2021. Professor Liu is interested in Cenozoic climatic and environmental changes and expertised in using organic proxies to reconstruct past climatic changes on various timescales. He is currently working on climatic events during the Eocene to Miocene, from both marine and terrestrial archives, and Holocene hydrological changes in Asian monsoonal regions to arid Central Asia.