bush is the second son of former president george h. w. bush and former first lady barbara bush, the younger brother of former president george w. bush, and grandson of the late prescott bush, united states senator from connecticut. following his father's successful run for vice president in 1980, he moved to florida and pursued a career in real estate development. in 1986, bush was named florida's secretary of commerce, a position he held until his resignation in 1988 to help his father's successful campaign for the presidency.