Prof. Dr. Guowang Xu received his Ph.D in Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences (CAS) in Jun., 1991. He is also president of Chromatography Committee of Chinese Society of Chemistry, deputy director of the Environmental Exposure Science Committee of the Chinese Society for Environmental Sciences and council member of the Chinese Chemical Society.Prof. Xu has co-written 5 books and published 560+ peer-reviewed papers in the ‘Web of Science Core Collection’ (WoS) indexed journals including PNAS, Nature Protocols, Nature Commun., Nature Methods, Cell Metab., Advance Science, Hepatology, Cancer Res., Anal. Chem., etc., and holds more than 100 China patents.  His main research fields are in the chromatography-mass spectrometry (MS) technique development and the MS-based bulk, single cell and spatial metabolomics/exposomics applications in disease biomarker discovery, traditional Chinese medicines and food safety.