graduated as first Lieutenant. He was commissioned honorary discharge from the South Viet Nam Army in 1968 where he received many medals such as Purple Heart, Gold, Silver, Bronze Stars, etc. Quang Mac attended Temple University where he graduated with a Bachelor Degree in Electrical Engineering. He was a Vietnamese Community Leader in Philadelphia and established The Vietnamese United National Association of Greater Philadelphia (VUNA).
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In 1992 he became the owner and editor of a Vietnamese Newspaper, Rang Dong Magazine. He then changed it to a bi-lingual newspaper in 2005, Rang Dong Sunrise Magazine. In 1995, Quang Mac was elected Co-Chairman of the Vietnamese American Community of the USA and Chairman of Vietnamese American Community of USA in 2006. Then in 1996, he was the founder and Editor in Chief of a Vietnamese Yellow Pages connecting business people in the Tri-State Area (New York, New Jersey and Pennsylvania). Quang Mac was elected Chairman of the Pan Asian Association of Greater Philadelphia for two terms in 2002. In 2008, he was appointed by Mayor Michael Nutter to serve as Commissioner of the Mayor’s Commission on Asian American Affairs. In 2011, Quang Mac was appointed by Philadelphia Police Commissioner Charles H. Ramsey to serve as member of the Philadelphia Police Commissioner Advisory Council (PPCAC) and later elected as Chairman of the Philadelphia Police Asian American Advisory Committee ( PPAAAC ) in January 2011. Quang Mac was also appointed to serve as member of the FBI Multicultural Advisory Committee.
 
Quang Mac also received many awards and appreciation certificates from the United Nation for Refugees, US Federal, State, and Local government, as well as non-profit organizations through the Commonwealth of Pennsylvania.