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Sam Altman is an American entrepreneur and investor best known as the CEO of OpenAI, the company behind ChatGPT and other artificial intelligence technologies. He previously served as president of Y combinator, a prominent startup accelerator. As of January 21, 2026, Altman remains CEO of OpenAI following a brief period of upheaval in November 2023.
Sam Altman’s Role at OpenAI
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Sam Altman is the Chief Executive Officer of openai, a leading artificial intelligence research and deployment company. He leads OpenAI’s efforts to ensure that artificial general intelligence (AGI) benefits all of humanity.
Altman joined OpenAI as co-chair in March 2015 and transitioned to CEO in December 2019. Under his leadership, OpenAI released groundbreaking models like GPT-3, DALL-E, and ChatGPT, significantly advancing the field of AI and sparking widespread public interest. He was briefly removed from his position in November 2023 following a board dispute, but reinstated days later after notable pressure from investors and employees. The New York Times extensively covered the events surrounding his temporary removal.
Example: OpenAI’s revenue increased significantly under Altman’s leadership, reaching over $1.3 billion in 2023, according to The Information.
Early Career and Y Combinator
Before joining OpenAI, Sam Altman served as president of Y Combinator from 2014 to 2019. He significantly expanded the reach and influence of the startup accelerator during his tenure.
Altman initially joined Y Combinator as a part-time partner in 2011 and became a full-time partner in 2014. He oversaw the launch of Y Combinator Continuity, a fund to invest in Y Combinator graduates at later stages, and introduced initiatives like YC Research. He also spearheaded efforts to explore universal basic income (UBI) through Y Combinator research’s UBI pilot program.
Evidence: During Altman’s presidency, Y Combinator funded over 300 companies per year, including notable successes like Airbnb, Dropbox, and Stripe. TechCrunch reported on his departure from Y Combinator in March 2019.
Altman’s Background and Education
Sam Altman received a Bachelor of Science degree in Computer Science from Stanford University in 2005, but dropped out to pursue entrepreneurial ventures.
Prior to Y combinator and OpenAI, Altman co-founded Loopt, a location-based social networking mobile app, in 2005. Loopt was acquired by Foursquare in 2012. He has also invested in numerous startups, including reddit, Stripe, and Airbnb. He is known for his early adoption of and advocacy for technologies like cryptocurrency.
detail: Altman is also associated with the “Altman Z-score,” a formula developed by his father, Edward Altman, a professor of finance at New York University’s Stern School of Business, used to predict the probability of corporate bankruptcy. Edward Altman’s NYU profile provides information on his work.
Altman and Goverment Regulation of AI
Sam Altman has become a prominent voice in discussions surrounding the regulation of artificial intelligence, advocating for responsible growth and deployment of the technology.
Altman testified before Congress in May 2023, urging lawmakers to consider a licensing and regulatory framework for AI development. He has expressed concerns about the potential risks of AI, including misinformation and job displacement, but also emphasized its potential benefits. He participated in the