Minister of Industry and Trade, Vietnam
8/2007 – onward Minister of Industry and Trade
4/2006 – 7/2007 Secretary of Party of Lang Son Province
3/2003 – 3/2006 Chairman of the People’s Committee of Ha Tay Province
4/1997 – 3/2003 Deputy Minister
1995 – 4/1997 Ministry of Planning and Investment
1989 – 10/1995 State Committee for Cooperation and Investment
1988 Joined Ministry of Foreign Economic Relations
1976 – 1987 State Planning Committee