▁Before ▁joining ▁the ▁staff ▁of ▁the ▁Commission , ▁she ▁was ▁in ▁private ▁practice ▁at ▁the ▁law ▁firm ▁of ▁Davis ▁Pol k ▁& ▁Ward well ▁in ▁Washington , ▁D . C ., ▁and ▁New ▁York , ▁and ▁also ▁served ▁as ▁an ▁Ass istant ▁United ▁States ▁Att orney ▁for ▁the ▁District ▁of ▁Maryland . ▁ ▁In ▁November ▁ 2 0 0 4 , ▁Thom sen ▁was ▁identified ▁by ▁writers ▁and ▁edit ors ▁of ▁the ▁Wall ▁Street ▁Journal ▁as ▁one ▁of ▁fifty ▁" W omen ▁to ▁Watch ". ▁ ▁P equ ot ▁Capital ▁Management ▁ins ider ▁trad ing ▁and ▁firing ▁of ▁SE C ▁investig ator ▁In ▁ 2 0 0 8 ▁H . ▁David ▁Kot z , ▁SE C ▁inspect or ▁general , ▁recommended ▁that ▁a ▁discipl inary ▁action ▁be ▁comm enced ▁against ▁Thom sen ▁due ▁to ▁her ▁role ▁in ▁an ▁ins ider ▁trad ing ▁investigation ▁of ▁prominent ▁h edge ▁fund ▁P equ ot ▁Capital ▁Management . ▁ ▁Kot z ▁said ▁he ▁found ▁there ▁were ▁' ser ious ▁questions ' ▁about ▁the ▁im partial ity ▁and ▁fair ness ▁of ▁the ▁SE C ' s ▁investigation ▁of ▁P equ ot . ▁A ▁former ▁SE C ▁att orney ▁who ▁worked ▁on ▁the ▁pro be ▁and ▁was ▁fired ▁by ▁the ▁ag ency ▁has ▁alleg ed ▁there ▁was ▁political ▁inter ference ▁in ▁the ▁pro be ▁by ▁ag ency ▁officials . ▁ ▁At ▁the ▁time , ▁the ▁SE C ▁refused ▁to ▁take ▁any ▁enfor cement ▁action ▁against ▁P equ ot , ▁and ▁it ▁closed ▁the ▁case ▁in ▁ 2 0 0