Mr. Kong completed his B.Sc. degree at Shandong University of Science and Technology, Qingdao, China, in 2009. He then went on to obtain his Ph.D. degree from Wuhan University, Wuhan, China, in 2014. His research focuses on GNSS data processing, global ionospheric modeling using multisource geodetic observations, 3D ionospheric tomography based on GNSS observations, and analysis of ionospheric anomalies under abnormal conditions.