▁soci ology , ▁and ▁law ▁schools ▁of ▁University ▁of ▁Wars aw , ▁he ▁worked ▁in ▁Cred itan stal ▁Bank ▁before ▁joining ▁public ▁service . ▁He ▁served ▁various ▁positions ▁before ▁entering ▁President ial ▁office : ▁ ▁Chief ▁of ▁the ▁legal ▁office ▁in ▁the ▁Fund acja ▁Pol sko - N iem ieck ie ▁po jed n anie ▁( 1 9 9 5 – 1 9 9 9 ) ▁ ▁Deput y ▁of ▁the ▁director ▁of ▁the ▁office ▁of ▁V eter an ▁Affairs ▁( 1 9 9 9 – 2 0 0 2 ) ▁ ▁Director ▁of ▁the ▁legal ▁office ▁( 2 0 0 2 ) ▁ ▁Leg al ▁office ▁director ▁of ▁the ▁city ▁of ▁Wars aw ▁( 2 0 0 2 – 2 0 0 4 ) ▁ ▁Vice ▁President ▁of ▁Wars aw ▁under ▁President ▁Le ch ▁K ac zy ński ▁( 2 0 0 4 – 2 0 0 5 ) ▁ ▁After ▁K ac zy ński ▁became ▁the ▁President ▁of ▁Poland , ▁he ▁joined ▁his ▁staff ▁as ▁deput y ▁chief ▁of ▁office , ▁responsible ▁for ▁legal ▁matters . ▁ ▁After ▁And r zej ▁Ur ba ński ▁res igned ▁as ▁a ▁Chief ▁of ▁the ▁Office , ▁he ▁became ▁Act ing ▁Chief ▁for ▁the ▁first ▁time . ▁He ▁served ▁from ▁June ▁ 2 ▁to ▁August ▁ 2 , ▁ 2 0 0 6 , ▁until ▁Aleks ander ▁Sz czy g ło ▁was ▁appointed . ▁ ▁He ▁is ▁now ▁serving ▁this ▁position ▁for ▁the ▁second ▁time , ▁after ▁Sz czy g ło ▁stepped ▁down ▁in ▁order