Al-Thani assumed his current position in 2022. In 2024, Mazaya Real Estate Development reported total assets of $727.8 million and recorded $38.2 million in operating income. Its Qatar-based subsidiaries include Qortuba Real Estate Investment Company, Granada Real Estate Investment Company, Gulf Spring Real Estate Investment and Development Company, Facilitx Facility Management, and Mazaya Lebanon for Tourism Development and Real Estate. In March 2025, it acquired a plot of land in Lusail City's Al Kharayej area for $4.7 million. Al-Thani sits on the boards of Milaha and Nakilat.