She Was CEO of OpenAI for 2 Days. Now Her Secretive AI Startup Has Raised $12 Billion. Mira Murati, founder and CEO of Thinking Machine Labs, worked at OpenAI as the chief technology officer for six years. Previous Article The $16 Trillion Revolution That's Unlocking the Next Generation of Finance Next Article What Most Employers Overlook That's Costing Them Great Hires