▁chief ▁executive ▁( CE O ) ▁of ▁Johnson ▁Matt he y ▁, ▁a ▁British ▁mult in ational ▁chemical s ▁and ▁pre cious ▁met als ▁company , ▁since ▁ 2 0 1 4 . ▁ ▁He ▁succeeded ▁Neil ▁Car son , ▁who ▁was ▁CE O ▁of ▁Johnson ▁Matt he y ▁from ▁ 2 0 0 4 ▁until ▁his ▁ret irement ▁in ▁ 2 0 1 4 . ▁ ▁References ▁ ▁Category : L iving ▁people ▁Category : 1 9 6 4 ▁birth s ▁Category : B rit ish ▁chief ▁execut ives ▁Category : B rit ish ▁corpor ate ▁direct ors <0x0A> </s> ▁Ts il n in sky ▁District ▁() ▁is ▁an ▁administrative ▁and ▁municipal ▁district ▁( ra ion ), ▁one ▁of ▁the ▁twenty - one ▁in ▁U ly an ov sk ▁O blast , ▁Russia . ▁It ▁is ▁located ▁in ▁the ▁north ▁of ▁the ▁ob last . ▁The ▁area ▁of ▁the ▁district ▁is ▁. ▁Its ▁administrative ▁center ▁is ▁the ▁rural ▁local ity ▁( a ▁sel o ) ▁of ▁Bol sh o ye ▁Nag at k ino . ▁Population : ▁ 2 7 , 5 4 3 ▁( 2 0 1 0 ▁Census ); ▁ ▁The ▁population ▁of ▁Bol sh o ye ▁Nag at k ino ▁accounts ▁for ▁ 1 9 . 8 % ▁of ▁the ▁district ' s ▁total ▁population . ▁ ▁References ▁ ▁Notes ▁ ▁S ources ▁ ▁Category : D istrict s ▁of ▁U ly an ov sk ▁O blast <0x0A> </s> ▁The ▁P ey ret ▁Av ion ette ▁was ▁a ▁low