MAO Ruiqing (1969- ), Deputy Director and Deputy Party Secretary. He received B.Sc. from Nanjing University in 1990 and Ph.D. from Purple Mountain Observatory (PMO) of Chinese Academy of Sciences (CAS) in 2000. He joined PMO in 1990, and visited Max Planck Institute for Radio Astronomy (MPIfR) in 1998, 2000 and 2008, and Institute of Astronomy and Astrophysics Academia Sinica (ASIAA) in 2001, 2002 and 2007. He has been a research professor in astrophysics at PMO since 2002. Now he is the deputy director and the deputy party secretary of PMO.