▁by ▁the ▁private ▁equ ity ▁firm ▁K ohl berg ▁Kra vis ▁Roberts . ▁ ▁C ohen ▁was ▁port rayed ▁by ▁Peter ▁R ieg ert ▁in ▁the ▁ 1 9 9 3 ▁film ▁Barb ari ans ▁at ▁the ▁Gate ▁dep ict ing ▁the ▁R J R ▁N ab is co ▁buy out . ▁ ▁In ▁ 1 9 9 1 , ▁C ohen ▁founded ▁the ▁se cur ities ▁and ▁asset ▁management ▁business es ▁of ▁Republic ▁National ▁Bank ▁of ▁New ▁York . ▁ ▁From ▁November ▁ 1 9 9 2 ▁to ▁May ▁ 1 9 9 4 , ▁C ohen ▁was ▁vice ▁chairman ▁and ▁a ▁director ▁of ▁Republic ▁New ▁York . ▁ ▁Personal ▁life ▁C ohen ▁has ▁been ▁married ▁twice . ▁His ▁first ▁marriage ▁ended ▁in ▁divor ce . ▁He ▁is ▁married ▁to ▁former ▁flight ▁att endant ▁Bro oke ▁Good man ; ▁they ▁have ▁a ▁daughter . ▁ ▁References ▁ ▁Category : Le h man ▁Brothers ▁people ▁Category : American ▁Jews ▁Category : American ▁bank ers ▁Category : Oh io ▁State ▁University ▁al umn i ▁Category : Col umb ia ▁Business ▁School ▁al umn i ▁Category : L iving ▁people ▁Category : American ▁chief ▁execut ives ▁of ▁financial ▁services ▁companies ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) <0x0A> </s> ▁The ▁Journal ▁of ▁N anos cience ▁and ▁Nan ote chn ology ▁is ▁a ▁month ly ▁peer - review ed ▁scientific ▁journal ▁published ▁by ▁American ▁Scient ific ▁Publish ers . ▁It ▁was ▁established ▁in ▁ 2 0 0 1 . ▁The ▁found ing