Hilton (NYSE: HLT) has signed a management agreement with AW Rostamani Group to develop an upscale DoubleTree by Hilton property in Bur Dubai. DoubleTree by Hilton Dubai Al Mankhool will join 11 hotels currently operating or in the pipeline for the brand in the UAE, and represents a first entry into the hospitality industry for the family-owned AW Rostamani Group.