Complex sentence: He has served as the 53rd Mayor of the city of Charlotte, North Carolina, a Charlotte city councilman, and was appointed by George W. Bush to serve on the United States Homeland Security Advisory Council (HSAC) from 2002 to 2006.
Split into simpler sentences: He has served as the 53rd Mayor of the city of Charlotte, North Carolina, and as a Charlotte city councilman. He was appointed by George W. Bush to serve on the United States Homeland Security Advisory Council (HSAC), from 2002 to 2006.