Hyatt Regency Oryx Doha Appoints Mert Duran as Executive Chef and Alena Dmitrienko as Front Office Manager | #HyattRegency #HyattRegencyOryxDoha #hotelsinQatar #MertDuran #ExecutiveChef #AlenaDmitrienko #FrontOfficeManager #JulienGonzalvez #culinary #hotelier #hozpitality