Xiaolong DONG, professor, National Space Science Center, Chinese Academy of Sciences. He is mainly engaged in the research on microwave remote sensing detection and imaging mechanisms, advanced microwave remote sensing systems, and microwave remote sensing applications in earth science and space exploration. He is a member of the council of the Chinese Society of Space Research (CSSR), and is vice chairman of the Space Earth Science Professional Committee of CSSR. Professor DONG is a member of the Calibration and Authenticity Verification Working Group of the International Committee on Earth Observation Satellites (CEOS WGCV), the chairman of the Microwave Group, a member of the Scientific Committee of the International Institute of Space Science (ISSI). He is an editorial board member of several academic journals such as Chinese Journal of Space Science and Remote Sensing Technology and Applications.