Arthur Getagazhev
Following the killing of Dzhamaleyl Mutaliyev ( alias Emir Adam ) by Russian security forces on 21 May 2013 , Doku Umarov , leader of the Caucasus Emirate , appointed Getagazhev as the head of the Vilayat Galgaycho rebels . 
<triplet> Caucasus Emirate <subj> Doku Umarov <obj> chairperson