Professor Jian-Sheng Chen is a reputed astrophysicist and Fellow of the Chinese Academy of Sciences. He is currently Head of Department of Astronomy at Peking University.

Professor Chen is also the former Deputy Director of the Academic Division of Mathematics and Physics of the Chinese Academy of Sciences (1998-2002), the Chairman of the Astronomical Advisory Board of Chinese Academy of Sciences, member of the Academic Degree Committee of the State Council and member of the Expert Group for Post-doctorates of the Personnel Ministry, Director of the Department of Astronomy of Peking University.

He has been primarily engaged in research in the fields of QSO absorption line, QSO survey, Galactic Physics and Large scale astronomy and is now the PI of the National Major Research Project (973 Project) : "The Galaxy Formation and Galactic Evolution"; he has also been in charge of key projects of the National Science Foundation.