In 1975 Andrew was captured by the communist regime and spent 3 years in prison. After his release, he and his family escaped to Malaysia. They arrived in Australia in 1979.

Andrew Nguyen was a local councillor for Cabramatta from 1991 to 1995 and from 2004 to 2008. He was also the Board Director of the South Western Sydney Area Health Board and Chairman of the Multicultural Health Committee from 1990 to 1996, and the Board Director of the Community Health and Tuberculosis Association from 1992 to 1996.