Al Kaabi leads Mubadala’s investment arm, which manages a portfolio of nearly $60 billion. In July 2021, Al Yah Satellite Communications Company (Yahsat) became the first Mubadala subsidiary to list through an IPO, debuting on ADX in July 2021 and raising $730 million. In January 2021, the sovereign fund also established the Abu Dhabi Hydrogen Alliance in partnership with ADNOC and ADQ to drive green hydrogen opportunities. Al Kaabi is also the chairman of Mubadala Petroleum and Yahsat, and the vice-chairman of Masdar, Mubadala Health, and Cleveland Clinic Abu Dhabi.