Xinfeng WANG works as an Associate Professor and a PhD Supervisor in Environment Research Institute, Shandong University (SDU) in Qingdao, China and also service as the Deputy Director of the Academician Station of Big Data on Ecological Environment. He conducts researches on measurement techniques of atmospheric particulate matters, field observations, emission determinations, laboratory simulations, and modeling simulations, and at present focuses on determination methods, pollution characteristics, emission factors, formation and conversion, environmental impacts of organic aerosols and nitrogen-containing compounds. He undertakes more than 20 projects including task of the National Key Research and Development Program of China, General Program, International Exchange and Cooperation Program, Youth Program of National Natural Science Foundation of China, and so on. He has published more than 150 peer-reviewed papers on academic journals of ACP, JGR-A, EI, STOTEN, EP, ER, AE, etc. The total number of citations to these papers is more than 6500, with the h-index of 49. He has authorized 9 patens. He also serves as the academic editor of the SCI journal PeerJ since 2017 and the Member of the Professional Committee of Ozone Pollution Control, Chinese Society for Environmental Sciences. The Group has two postdocs, seven PhD and master students, and one research assistant now and possesses good platforms for sampling, analysis, and measurement of atmospheric particulate matters as well as bia data analysis on atmospheric environemnt. His Group keeps good corporation relationship with many research groups at home and abroad.