Greg Brockman is an American entrepreneur and developer based in the San Francisco Bay Area. He is the Co-Founder and CTO of OpenAI. Greg was chosen to the Forbes 30 Under 30 list in 2018 for the Enterprise Technology category.

Greg served as CTO of Stripe from 2010 to 2015. He left to join Elon Musk, Sam Altman, and Ilya Sutskever to co-found OpenAI. In addition, Greg is an investor in several companies including Rader, Scale, Retool, and more.

Greg attended Harvard University and Massachusetts Institute of Technology. He studied Computer science and Mathematics.