1996- 1997: lecturer, School of Economics, Wuhan University; 1997- 1999: Associate Professor, School of Economics, Wuhan University; 1999-200 1 year: Senior Visiting Scholar at Harvard University, USA; 2001-May 2005: Deputy Director of Economics Department, Business School, Wuhan University; 200 1—— Up to now: professor and doctoral supervisor of Wuhan University Business School; July 2005-September 2005: Senior Visiting Professor, London School of Economics; 2005-present: Deputy Director of Advanced Research Center of Wuhan University; 2006-present: Overseas Research Fellow, Poverty Reduction and Economic Management Department, World Bank; 2006-present: Director of Labor Economy and Economic Growth Research Center; 2006-present: Researcher, China Institute of Economics and Management, Central University of Finance and Economics; 2007-present: as the general manager of "Wuhan University International Mathematical Economy and Mathematical Finance Experimental Class" in the experimental area of talent innovation training of the Ministry of Education; 2008-present: applied for distinguished professor and Luojia scholars of Wuhan University; March 2009 to present: decision support consultant of Hubei Provincial Party Committee; 20 10- up to now: as the national top-notch talent training plan for basic science (Everest Plan), he is the chief expert of the international experimental class of mathematical economics and mathematical finance in Hongyi College of Wuhan University; 20 12 1 month to present: Head of the Department of Mathematical Economics and Mathematical Finance.