Marriott International Appoints Sandeep Walia as COO for the Middle East and Jerome Briet as CDO for EMEA | #MarriottInternational #SandeepWalia #ChiefOperatingOfficer #JeromeBriet #ChiefDevelopmentOfficer #GuidoDeWilde #CarltonErvin #SatyaAnand #hozpitality