Professor/doctoral supervisor 1989.7- 1992.9: engaged in aero-engine design in aviation 606 department;

1995.7-1999.10: Working in Liaoning Provincial State Taxation Bureau;

200 1.7-2002.3: Worked in the Economics Department of the Central Party School;

March 2002: engaged in financial engineering teaching in School of Economics and Management, University of Science and Technology Beijing.

Academic part-time: director of China Productivity Society; Editorial Committee of Public Financial Consultant;

Social part-time: independent director of Sinosteel Futures Co., Ltd.; Independent director of Kyoto Futures Co., Ltd.; Wealth expert of Huaxia Bank; Consultant of tax service network; Special commentator of China National Radio Economic Voice. First Financial Special Financial Observer.