The Bloomberg Billionaires Index estimated Greg Brockman's net worth at $25.5 billion in a profile dated 13 July 2026. Most of it comes from his OpenAI stake.
Brockman was born in Thompson, North Dakota, on November 29, 1987. He started at Harvard in 2008, left after a year, then dropped out of MIT to join Stripe in 2010.
At Stripe he became the first CTO in 2013 and left in May 2015. In December 2015 he co-founded OpenAI with Sam Altman, Ilya Sutskever and others.
In November 2023 he left the board and announced his departure when Altman was fired, then returned the next day after Altman was reinstated. He took a sabbatical from August to November 2024. In 2026 he took on wider product and operations duties.