刘四清，中国科学院国家空间科学中心研究员，博士生导师。主要从事空间环境预报及应用研究，在太阳质子事件、地磁暴、高层大气预报等方面开展了大量预报方法和模式研究，并长期致力于空间环境研究成果的应用转化，服务我国空间环境业务预报。在载人航天工程中，曾任空间环境保障分系统主任设计师，主持开展了神舟系列飞船、空间实验室和交会对接任务的空间环境预报工作，为我国载人航天工程第一步、第二步任务的顺利实施提供了空间环境保障。

Siqing LIU, Researcher at the National Space Science Center of the Chinese Academy of Sciences, and doctoral supervisor. Mainly engaged in space environment forecasting and application research, conducting a large number of forecast method and model studies in areas such as solar proton events, geomagnetic storms, and upper atmospheric forecasting. Also devoted to the transformation of research achievement to application, providing services for China’s space environment forecasting. In China’s Manned Space Program, she has served as the chief designer of the space environment safety guarantee subsystem and led the space environment forecasting work for the Shenzhou series spaceship, space lab., and rendezvous and docking missions, providing space environment safety guarantee for the successful implementation of the first and second steps of China’s Manned Space Program.