▁he ▁served ▁in ▁several ▁capac ities ▁including ▁head ▁of ▁the ▁UN ▁Radio ▁and ▁Television ▁Services ; ▁a ▁speech ▁writer ▁and ▁Sp okes man ▁for ▁the ▁President ▁of ▁the ▁ 3 9 th ▁session ▁of ▁the ▁UN ▁General ▁Assembly ▁( 1 9 8 4 – 8 5 ), ▁and ▁a ▁member ▁of ▁the ▁panel ▁of ▁coun sel ▁in ▁the ▁UN ▁administration ▁of ▁justice ▁system ▁– ▁the ▁J oint ▁App e als ▁Board ▁and ▁the ▁Administr ative ▁Trib unal . ▁In ▁ 1 9 9 4 ▁he ▁served ▁as ▁a ▁resource ▁person ▁in ▁Amb assador ▁Bra h imi ' s ▁special ▁mission ▁on ▁beh alf ▁of ▁the ▁Secretary - General ▁of ▁the ▁United ▁Nations , ▁to ▁Liber ia ▁and ▁the ▁E CO W AS ▁Chair ▁in ▁Gh ana , ▁aim ed ▁at ▁facil it ating ▁implementation ▁of ▁the ▁Cot on ou ▁Peace ▁Ag re ement ▁for ▁Liber ia . ▁ ▁Peace - building ▁As ▁Amb assador ▁and ▁Deput y ▁P erman ent ▁Represent ative , ▁his ▁areas ▁of ▁responsibility ▁included ▁dis arm ament ▁and ▁international ▁security , ▁peace keep ing , ▁peace building , ▁human ▁rights , ▁Security ▁Council ▁reform , ▁W MD s , ▁san ctions ▁reg imes ▁including ▁and ▁monitoring ▁of ▁Sierra ▁Le one ' s ▁diam ond ▁cert ification ▁system ▁aim ed ▁at ▁ending ▁the ▁trade ▁in ▁conflict ▁or ▁so - called ▁' blo od ▁diam onds '. ▁He ▁served ▁as ▁Sierra ▁Le one ' s ▁representative ▁in ▁such ▁bodies ▁as ▁the ▁UN ▁Commission ▁on ▁Human ▁Rights ▁in ▁Gene va , ▁and