mark cubanMark Cuban is a billionaire entrepreneur who founded Broadcast.com (sold to Yahoo), owns the Dallas Mavericks (2011 NBA champions), and actively invests in AI startups including Lovable, Synthesia, AMI, Matter, and Open Evidence. He advocates for entrepreneurship, going public, AI-driven healthcare, and has relocated to Texas. He famously collared his Yahoo stock after the Broadcast.com sale and uses Apple Watch for longitudinal health tracking.