Thabet assumed his current role in July 2020. In May 2023, TAQA announced a $2.4 billion sustainable water supply project in collaboration with ADNOC that could reduce water injection-related energy consumption by 30% and will be connected to the national grid. Thabet is also on the board of directors for the Abu Dhabi Chamber of Commerce and Industry, the AD Ports Group, and Masdar and is the vice chairman at the Etihad Aviation Group. Previously, Thabet served as CEO and managing director of the Abu Dhabi Power Corporation and CEO of Tabreed.