Shiqi Liu was born in 1987 in Hebei province, China. Dr.Liu has dedicated himself to the study and application of special mining techniques, especially theories and techniques on mining near aquifers or surface water, mine water control, and shaft failure prevention. Dr.Liu studied on the evolution of groundwater seepage field and crack field during mining operation, and he helped the safe mining under Weishan Lake and over Ordovician aquifers. He successfully proposed anaquifer-replenishment method to prevent shaft failure. Dr.Liu has conducted and participated in several research projects from National 973 Plan, the National Natural Science Foundation, and well-known mining enterprises. Dr.Liu has published over 20papers on peer-reviewed journals.