Professor, supervisor of PhD students, academician of the CAE, particle accelerator expert. Prof. Zhao has been engaged, for many years, with particle accelerator research and large-scale facility developments, he has been responsible for the construction of the SSRF accelerator, and led the development of three high gain free electron laser facilities, with energy ranges spanning from ultraviolet to soft X-ray, as well as of China's first synchrotron accelerator facility for proton therapy. Prof. Zhao’s research achievements significantly contributed to the advancement of the free electron laser principles, to the development of key accelerator technologies, and to the accelerator facility design, engineering and construction.