At xAI, Elon Musk has marshaled a workforce that has ballooned by more than 1,000 employees in less than two years as he goes head-to-head with rivals OpenAI and Google. Business Insider reviewed the company's internal organizational chart to identify and understand the people near the top of the AI venture as of early this year.

While Tesla’s share price has taken a beating recently, a fall from grace one JPMorgan analyst says may have no equal, the value of Elon Musk’s private companies has soared in the four months since Donald Trump won the election.