▁participated ▁in ▁numerous ▁sym pos iums , ▁sem in ars ▁and ▁programs ▁on ▁international ▁and ▁European ▁law , ▁international , ▁foreign ▁relations ▁and ▁foreign ▁policy ▁and ▁management . ▁ ▁State ▁Secretary ▁in ▁the ▁Ministry ▁of ▁Foreign ▁Affairs , ▁ 2 0 1 0 – 2 0 1 1 ▁ ▁App oint ed ▁by ▁Minister ▁of ▁Foreign ▁Affairs ▁G ord an ▁J andro kov ic , ▁Pl enk ović ▁worked ▁as ▁a ▁State ▁Secretary ▁for ▁European ▁Integr ation ▁during ▁the ▁Government ▁of ▁Prime ▁Minister ▁J ad ran ka ▁Kos or . ▁He ▁had ▁a ▁prominent ▁role ▁in ▁the ▁campaign ▁for ▁a ▁refer endum ▁on ▁EU ▁membership . ▁T ogether ▁With ▁numerous ▁media ▁appearances , ▁Pl enk ović ▁held ▁do z ens ▁of ▁lect ures ▁on ▁joining ▁the ▁European ▁Union ▁in ▁all ▁Cro at ian ▁count ies . ▁ ▁As ▁a ▁State ▁Secretary , ▁Pl enk ović ▁also ▁performed ▁the ▁duties ▁of ▁the ▁political ▁director ▁for ▁EU ▁Affairs , ▁co - ch air ▁of ▁the ▁St abil isation ▁and ▁Association ▁Cro atia - E U , ▁national ▁coordin ator ▁for ▁the ▁Dan ube ▁Str ategy ▁of ▁the ▁European ▁Union ▁and ▁co - ch air man ▁of ▁the ▁duties ▁of ▁the ▁international ▁comm issions ▁( B av aria - C ro atia , ▁Cro atia - B aden - W ür ttemberg , ▁Cro atia - F land ers ). ▁He ▁was ▁on ▁a ▁board ▁member ▁of ▁the ▁Foundation ▁for ▁Civil ▁Society ▁Development , ▁President ▁of ▁the ▁Organ izing ▁Committee ▁of ▁the ▁Cro atia ▁Sum mit