Sam Altman is Samuel Harris Altman. He co-founded OpenAI, where he is CEO, and co-founded Tools for Humanity, where he is Chairman. Sam Altman's Twitter Score is 1000 out of 1000 (an Excellent rating) as of October 2026, placing him at rank #7 (top 0.1%) out of 493,668 accounts and among the 35 accounts on this platform that score above 900.
Sam Altman co-founded World, the iris-scanning proof-of-personhood project that launched in 2019 as Worldcoin and rebranded in October 2024. Through Tools for Humanity, the project raised about $250 million from investors including Andreessen Horowitz, Khosla Ventures, and Reid Hoffman, with an earlier $125.5 million round that included Variant, Coinbase, and Tiger Global. The WLD token launched out of beta on July 24, 2023, initially unavailable in the United States, and expanded to U.S. markets in May 2025. Sam Bankman-Fried was among Tools for Humanity's early investors before the collapse of FTX.
Sam Altman's World project has drawn regulatory scrutiny. Kenya's Ministry of the Interior suspended enrollment in August 2023 over security, privacy, and financial concerns, while Spain's data protection authority ordered a temporary stop on data collection in March 2024. An MIT Technology Review investigation alleged deceptive marketing practices and collection of more personal data than was publicly disclosed. In January 2026, Forbes reported that OpenAI was exploring a biometric social network potentially incorporating World's iris-scanning Orb hardware, though no formal partnership between the two was confirmed.
Sam Altman previously served as president at Y Combinator from 2014 until 2019 and co-founded Hydrazine Capital in April 2012. His account has 6,341,862 followers as of October 2026 and 7,993 posts on the platform. Sam Altman has been mentioned by 3,530 accounts, with 8,566 total mentions. Sam Altman's tracked portfolio includes Filecoin, Conception, Quill, Helion, Oklo, Warp, Tiptop and Arcadia Science.
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The accounts that follow Sam Altman include 6,098 founders, 1,425 angel investors, 2,027 influencers and 256 VCs, among them Balaji, Brian Armstrong, Chris Dixon, vitalik.eth, Marc Andreessen and Nikita Bier.