▁After ▁gradu ation ▁from ▁the ▁university ▁in ▁ 1 9 8 0 ▁he ▁worked ▁as ▁executive ▁secretary ▁in ▁the ▁Commission ▁on ▁Ju ven ile ▁Affairs ▁of ▁L viv ▁City ▁Executive ▁Committee . ▁From ▁ 1 9 8 3 ▁to ▁ 1 9 9 0 ▁he ▁becomes ▁a ▁post grad uate , ▁lect urer , ▁senior ▁lect urer , ▁and ▁associate ▁professor ▁at ▁the ▁Chair ▁of ▁C riminal ▁Law ▁and ▁Pro cedure , ▁Fac ulty ▁of ▁Law , ▁Ivan ▁Fran ko ▁State ▁University ▁of ▁L viv . ▁In ▁ 1 9 8 7 ▁he ▁def ended ▁the ▁Ph D ▁dis sert ation . ▁In ▁ 1 9 9 0 ▁he ▁was ▁awarded ▁a ▁title ▁of ▁associate ▁professor . ▁From ▁ 1 9 9 0 ▁to ▁ 1 9 9 3 ▁he ▁had ▁been ▁working ▁for ▁doctor al ▁degree ▁at ▁Fac ulty ▁of ▁Law , ▁Tar as ▁She v chen ko ▁National ▁University ▁of ▁Ky iv . ▁Ole ks andr ▁S vi at ot sky i ▁is ▁a ▁lawyer ▁since ▁ 1 9 9 4 . ▁Since ▁ 1 9 9 5 , ▁he ▁is ▁a ▁co - found er ▁and ▁senior ▁partner ▁of ▁‘ “ K ay ros ” ▁Law ▁F irm ’ ▁Att or ne ys ▁Association . ▁In ▁ 1 9 9 5 ▁he ▁def ended ▁the ▁doctor al ▁dis sert ation . ▁He ▁is ▁an ▁Editor - in - Ch ief ▁of ▁the ▁oldest ▁Ukrain ian ▁Leg al ▁Journal ▁“ L aw ▁of ▁Ukraine ” ▁since ▁October ▁ 1 9 9