M42 was created in April 2023 through a merger of G42 Healthcare and Mubadala Health. M42 has over 450 facilities across 26 countries. In its debut month, M42 acquired global renal care company, Diaverum. In October 2023, M42 launched Med42, an open-access generative AI clinical large language model. Al Nowais is also the chairman of Rosewood Abu Dhabi, the Four Seasons Hotel Abu Dhabi, Yas Holdings Healthcare Committee, and Cleveland Clinic Abu Dhabi, one of M42’s subsidiaries. He was previously the CEO of Mubadala Health.