2 0 1 9 . ▁Hall ▁was ▁the ▁Commission er ▁of ▁the ▁U . S . ▁Bureau ▁of ▁Labor ▁Statistics ▁from ▁January ▁ 2 0 0 8 ▁until ▁January ▁ 2 0 1 2 . ▁Hall ▁previously ▁worked ▁at ▁the ▁Department ▁of ▁Com merce , ▁Department ▁of ▁Tre as ury , ▁the ▁U . S . ▁International ▁Trade ▁Commission , ▁and ▁the ▁White ▁House ▁Council ▁of ▁Econom ic ▁Ad vis ers . ▁ ▁Career ▁Hall ▁was ▁nominated ▁by ▁President ▁George ▁W . ▁Bush ▁to ▁the ▁position ▁of ▁Commission er ▁of ▁the ▁B LS ▁in ▁September ▁ 2 0 0 7 ▁and ▁was ▁confirmed ▁by ▁the ▁Senate ▁in ▁December . ▁He ▁was ▁sw orn ▁into ▁office ▁in ▁January ▁ 2 0 0 8 ▁and ▁served ▁a ▁four - year ▁term ▁ending ▁in ▁ 2 0 1 2 . ▁ ▁Pre viously ▁Hall ▁had ▁been ▁the ▁Chief ▁Econom ist ▁for ▁the ▁White ▁House ▁Council ▁of ▁Econom ic ▁Ad vis ers . ▁He ▁also ▁held ▁the ▁positions ▁of ▁Chief ▁Econom ist ▁for ▁the ▁Department ▁of ▁Com merce ▁and ▁Senior ▁International ▁Econom ist ▁for ▁the ▁International ▁Trade ▁Commission ' s ▁Research ▁Division . ▁He ▁has ▁also ▁served ▁as ▁a ▁fac ulty ▁member ▁for ▁the ▁University ▁of ▁Ark ansas ▁and ▁University ▁of ▁Missouri . ▁ ▁On ▁April ▁ 1 , ▁ 2 0 1 1 , ▁Hall ▁test ified ▁on ▁Capit ol ▁Hill ▁to ▁the ▁United ▁States ▁Congress ▁J oint ▁Econom ic ▁Committee ▁that ▁the ▁nation ' s ▁un emp loyment ▁rate ▁had ▁fallen ▁to ▁ 8 .