Complex sentence: David Allen Bowers (born May 11,1952) is a politician who served as mayor of Roanoke, Virginia for a first term from 1992 to 2000 and then for a second term from 2008 to 2016.
Split into simpler sentences: David Allen Bowers (born May 11,1952) is a former mayor of Roanoke, Virginia. He served for a first term from 1992 to 2000 and then for a second term from 2008 to 2016.