Al Mamari assumed his role as CEO of Omantel in 2014. Al Mamari has been with Omantel for over 26 years wherein he worked on major projects and implementations. Among his most notable achievements are leading the initial public offering to sell part of the government's stake in the company and the company's restructuring project by merging fixed telecommunications services and mobile telecommunications services into one entity and then the legal merger of Oman Mobile with Omantel. Before his appointment as CEO, he held a number of leadership positions at Omantel, the most recent of which being the CFO. Al Mamari is also a board member at Zain Group and Oman Center for Governance and Sustainability.