Today Armenian leader Robert Kocharian signed a decree on appointing Armen Gevorgyan Armenian President's Administration Head, the Press Service of the Armenian leader told PanARMENIAN.Net. Before his appointment as Administration Head Armen Gevorgyan was Armenian President's First Aide. Yesterday Armenian leader Robert Kocharian signed a decree on relieving Artashes Tumanyan of the post of Armenian President's Administration Head due to his own written request. Lately Artashes Tumanyan founded New Country Party.