Prof. Dr. Li Zhao is a Professor at the School of Mechanical Engineering, Tianjin University. He received a Master’s Degree in Thermal Physical Engineering and a Ph.D. in Building Technology Science from Tianjin University in 1998 and 2001, respectively. His research interests include the design and selection of working fluid based on the group contribution method, entropy reduction and efficiency improvement of thermodynamic process, practical thermodynamic cycle construction based on the zeotropic mixture, construction and simulation of cogeneration system with a combined supply in power, heating, and cooling and fresh water based on solar-driven Organic Rankine Cycle.