Mattar assumed his current role in April 2021. IHG manages 180 hotels and franchises across the Middle East, Africa, and India. In 2022, it opened several hotels, including voco Bonnington Dubai, voco Doha West Bay Suites, Crowne Plaza West Cairo, and InterContinental Ras Al Khaimah. It also signed over 25 hotels, including InterContinental properties in Riyadh and Jeddah, a Holiday Inn in Najran, a hotel Indigo in Jeddah, and Staybridge Suites in Dubai. Mattar has 27 years of industry experience. He was previously a senior advisor to the Saudi Ministry of Tourism and CEO of the Ras Al Khaimah Tourism Development Authority.