Samuel H. Altman (/ˈɔːltmən/ AWLT-mən; born April 22, 1985) is an American entrepreneur, investor and programmer.[1] He is the CEO of OpenAI and the former president of Y Combinator.[2][3] Altman is also the co-founder of Loopt (founded in 2005) and Worldcoin (founded in 2020).