Greg Brockman, the president and co-founder of OpenAI, has disclosed that his stake in the company is valued at nearly $30 billion. This disclosure was made during a trial involving Elon Musk, where Brockman was questioned about his stake. The valuation of Brockman's stake has been reported by multiple outlets, with some also noting his financial ties to another individual, though details of the trial and its context are not fully clear.