2005
Co-founded Loopt
Founding • Loopt
Sam Altman is an American entrepreneur, investor, and technology executive best known as the CEO of OpenAI. He previously served as the president of Y Combinator and became one of the most influential figures in artificial intelligence and startup investing.
Altman co-founded Loopt in 2005 and later joined Y Combinator, eventually becoming its president in 2014. Under his leadership, Y Combinator funded and supported hundreds of startups across artificial intelligence, fintech, biotech, and software infrastructure.
At OpenAI, Sam Altman helped lead the development and commercialization of advanced AI systems including ChatGPT, GPT-4, multimodal AI models, and AI infrastructure initiatives. He is widely recognized for advocating AI safety, AGI governance, and responsible deployment of artificial intelligence technologies.
April 22, 1985
20 years
58
$2.5B
$3.3B
CEO
Founder
United States
OpenAI
4
2
14
2005
Co-founded Loopt
Founding • Loopt
2011
Joined Y Combinator
Career • Y Combinator
2014
President of Y Combinator
Promotion • Y Combinator
2014
Interim CEO of Reddit
Leadership • Reddit
2015
Co-founded OpenAI
Founding • OpenAI