Founder of five companies, including AltC Acquisition Corp., Loopt, Inc., and Hydrazine Capital. Samuel H. Altman is an entrepreneur and businessperson who currently serves as the Chairman of Helion Energy, Inc., the Chairman of Oklo, Inc., the Chief Executive Officer of OpenAI OpCo, LLC (which he founded in 2019), the Chief Executive Officer of OpenAI LLC (a subsidiary of OpenAI OpCo, LLC), the Chief Executive Officer and Director of AltC Acquisition Corp. (which he founded), and the General Partner of Hydrazine Capital (which he founded).
He also serves on the boards of Expedia, Teespring, Boom Technology, and Tools For Humanity Corp.