·     2004.10-, School of Ocean & Earth Science, Tongji University, Professor.

·     1998.05-2004.09: Geoscience Institute of Shengli Oilfield, Senior engineer, Geologist.

·     1994.07-1998.05: Geoscience Institute of Shengli Oilfield, Stratigraphic paleontology laboratory, Director.

·     1990.05-1994.06: Geoscience Institute of Shengli Oilfield, Dongchang Hui Exploration research department, Senior engineer.

·     1983.08-1987.08: Geoscience Institute of Shengli Oilfield Laboratory, Assistant engineer.