Prof. Dr. Hairui Yang received his B.S., M.S., and Ph.D. in Thermal Engineering from Tsinghua University in 1997, 2000, and 2003, respectively. In 2003, he started his working experience. He was a Lecturer at the Department of Thermal Engineering at Tsinghua University from 2003 to 2006. Then, he became an Associate Professor in the same department from 2006 to 2013. Since 2013, he has been a Professor. His research interests are  circulating fluidized bed technology, gas solid fluidization states in CFB reactor, biomass conversion, energy storage, pollutant control, and utilization of waste water and waste ash. He has been in charge of several research projects involving coal combustion, biomass utilization, and emission control. He has extensive experience in boiler design and operation, energy saving and discharge optimization, and emission control on the flue gas from boilers. Also, He has been the project leader of several international projects from EDF (France), Alstom (USA), IHI (Japan), VTT (Finland), and B&W (USA), which cover the fundamental research and industrial application in CFB boiler. He serves as Chairman and Vice Chairman of the IEA-FBC Executive Committee on Fluidization Conversion, Director of the Chinese Society of Particuology, and Director of the Chinese Society of Engineering Thermochemistry.