 He was a Deputy Prime Minister of Vietnam between 2007 and 2013, and was Minister of Education and Training of Vietnam between 2006 and 2010.He is a member of the 11th Politburo of the Communist Party of Vietnam.He had been the 1st vice mayor of Ho Chi Minh City before being appointed Minister of Education on June 28, 2006, by Prime Minister Nguyễn Tấn Dũng.