Ramba uchinyora ndima iyi - Pashure pokupedza kudzidza pachikoro chemutemo, Barber akashanda somubetseri womugweta reruwa reNew York County kubva muna 1977 kusvika muna 1981. Muna 1981, Barber akabatana neBoston-based law firm of Looney & Grossman, achiva mudiwa muna 1985 uye achishanda semutungamiri wekambani kubva muna 2001 kusvika muna 2003. Kuita kwake mutemo kwakanangana nemakambani ekutanga uye kukakavara kwekutengeserana. Munguva 2008 United States musarudzo, Barber aiva fundraiser uye kakawanda mupiro kuna Barack Obama 2008 mushandirapamwe wenyika
. Barber aiva nhengo yeObama for America National Finance Committee.