The buzzy company called FTX that he co-founded made him worth $15.6 billion — and celebrities wanted in on the profits. Gisele Bündchen and Tom Brady co-starred in a $20 million ad campaign for FTX, receiving an equity stake in the company along with cryptocurrency in return. NBA legend Steph Curry was made a global ambassador for the company in exchange for an equity stake and even entangled his Eat.Learn.Play. charity with the platform. Tennis star Naomi Osaka was given an equity stake. Angels pitcher Shohei Ohtani and Aaron Jones of the Green Bay Packers both signed on as global...