Nader Halim Named Cluster General Manager for four Hilton properties in Ras Al Khaimah | #Clustergeneralmanager #DoubleTreebyHiltonResort&SpaMarjanIsland #DoubleTreebyHiltonRasAlKhaimah #DoubleTreebyHiltonRasAlKhaimahCornicheHotel&Residences #HamptonByHiltonAlMarjanIsland #Hozpitality