Dr. Zhao is Professor at the Petroleum Systems Engineering Program of the University of Regina. Saskatchewan, Canada, email: email@example.com. His research Interests include transient pressure analysis for conventional and unconventional heterogeneous reservoirs including tight oil, shale gas, CBM and thermal energy, production decline analysis for multistage hydraulic fracturing wells, mini-frac test analyses, naturally fractured reservoirs, CHOP well optimization and wormhole coverage analyses. Recent researches are focused on tight formation multistage fracturing and shale gas development study. Dr. Zhao holds BS, MS and PhD degrees from SWPU, CRIPED (China) and U. Tulsa (USA) respectively. He served as technical editor for journals of SPEREE, SPEJ, JCPT, JPSE, AWR, etc.