1995, PhD in Political Science, University of Hawaii. 1995-97, taught at University of Macao; 1997-2003, taught at International University of Japan; 2003-07, taught at Renmin University of China. Visiting Professor: 2001, Central European University; 2003 and 2006, University of Michigan; 2005, Uppsala University, Sweden; 2006, University of Hong Kong. 2009 and 2011, Visiting Senior Researcher, Center for Non-traditional Security, Nanyang Technological University, Singapore. Professor of International Political Economy, School of International Studies, Peking University. Specializes in studying non-traditional security issues China is facing, including energy, food, international rivers and public health.