Sam Altman is an American entrepreneur and investor who has significantly impacted the technology world. Born in 1985, he gained early recognition as the co-founder of Loopt, a location-based social networking app. His career trajectory shifted when he joined Y Combinator, a prominent startup accelerator, where he served as president from 2014 to 2019, helping numerous startups find success. Since 2019, Altman has been the CEO of OpenAI, the artificial intelligence company responsible for developing ChatGPT. Despite a brief removal in November 2023, he was quickly reinstated. Beyond OpenAI, Altman chairs clean energy companies Oklo Inc. and Helion Energy and has a substantial portfolio of investments in various technology companies. He is widely regarded as a leading figure in the current AI boom.