He received his B.S. in Bioengineering in 2005 from the University of Petroleum of China, and obtained his M.S. and Ph.D degree of Environmental Science and Engineering in 2007 and 2011 from Harbin Institute of Technology. His research interests are the electron transfer mechanism of bioelectrochemical degradation of organic pollutants, microbial ecology related to bioenergy and bioresource recovery. He has published more than 60 peer-reviewed papers. Dr. Liu has received several awards, including "Young Ambassador to America Society for Microbiology" in China (2012-2015), "Young Technology Innovation of Microbial Ecology Award" in 2012.