▁ten - year ▁term ▁unless ▁they ▁res ign , ▁die , ▁or ▁are ▁removed , ▁but ▁in ▁practice , ▁since ▁Ho over , ▁none ▁have ▁served ▁a ▁full ▁ten ▁years , ▁except ▁Mu eller ▁who ▁served ▁twelve ▁years ▁with ▁the ▁leave ▁of ▁Congress . ▁ ▁The ▁Director ▁of ▁the ▁F BI ▁can ▁be ▁removed ▁from ▁office ▁by ▁the ▁President ▁of ▁the ▁United ▁States . ▁After ▁removal ▁until ▁a ▁replacement ▁is ▁confirmed ▁by ▁the ▁U . S . ▁Senate , ▁the ▁Deput y ▁Director ▁automatically ▁acts ▁in ▁the ▁role . ▁The ▁appointment ▁of ▁the ▁Deput y ▁Director ▁is ▁not ▁a ▁president ial ▁appointment ▁and ▁does ▁not ▁require ▁Senate ▁confirm ation . ▁The ▁President ▁can ▁appoint ▁an ▁Inter im ▁Director ▁pending ▁Senate ▁confirm ation ▁or ▁nom ination ▁of ▁permanent ▁Director . ▁ ▁Res p ons ib ilities ▁Al ong ▁with ▁the ▁Deput y ▁Director , ▁the ▁Director ▁is ▁responsible ▁for ▁ens uring ▁that ▁cases ▁and ▁operations ▁are ▁handled ▁correctly . ▁The ▁Director ▁also ▁is ▁in ▁charge ▁of ▁staff ing ▁the ▁leadership ▁in ▁any ▁one ▁of ▁the ▁F BI ▁field ▁offices ▁with ▁qualified ▁agents . ▁ ▁List s ▁of ▁office hold ers ▁ ▁Bureau ▁of ▁Investig ation ▁chief s ▁and ▁direct ors ▁( 1 9 0 8 – 1 9 3 5 ) ▁ ▁When ▁the ▁Bureau ▁of ▁Investig ation ▁( BO I ) ▁was ▁established ▁in ▁ 1 9 0 8 , ▁its ▁head ▁was ▁called ▁Chief ▁of ▁the ▁Bureau ▁of ▁Investig ation . ▁It ▁was ▁changed ▁to ▁the ▁Director ▁of ▁the ▁Bureau ▁of ▁Investig