Yongguang Zhao, born in Henan Province in November 1987, graduated from the Institute of Optoelectronics of the Chinese Academy of Sciences with a doctor's degree. He is mainly engaged in research on orbit radiation calibration and traceability technology of optical remote sensing loads. As a project leader, he has undertaken projects of the National Natural Science Foundation of China, a subproject of the national key research and development plan, and a pilot subproject of the Chinese Academy of Sciences. At present, he has published more than 30 academic papers.