
Education (Stanford Dropout): Attended John Burroughs School in Ladue, Missouri. Enrolled at Stanford University in 2003 to study computer science, dropping out after two years in 2005 to co-found location-based social networking app Loopt (funded by Y Combinator's inaugural summer 2005 batch; acquired by Green Dot for $43.4M in 2012). Y Combinator President (2014–2019): Handpicked by Paul Graham to succeed him as President of Y Combinator in February 2014 at age 28, scaling the accelerator's portfolio valuation past $150 Billion (Airbnb, Stripe, DoorDash, Coinbase, Reddit). Holds an ~8.7% stake in Reddit from early seed funding. OpenAI & The November 2023 Coup: Co-founded OpenAI in December 2015 alongside Elon Musk, Greg Brockman, and Ilya Sutskever as a non-profit AI safety research lab. Restructured OpenAI into a capped-profit entity in 2019 to secure $13 Billion in Microsoft compute capital, releasing ChatGPT on 30 November 2022 (reaching 100M users in two months). On 17 November 2023, the non-profit OpenAI board abruptly fired Altman, citing lack of consistent candor; following a near-total employee revolt (700+ staff threatening to join Microsoft), Altman was reinstated five days later on 22 November 2023. Key investor in nuclear fusion startup Helion Energy ($375M), longevity biotech Retro Biosciences ($180M), and Worldcoin (Tools for Humanity). Married Australian software engineer Oliver Mulherin in January 2024.
Does Sam Altman deserve the #2 spot on “Top 10 Most Influential Tech Entrepreneurs of 2025”?
Best Rank
#2
top 3 in 3 lists
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#3.4
across 5 lists
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Community Darling
top 3 in 3 lists
Ranked #2 on "Top 10 Most Influential Tech Entrepreneurs of 2025". Cast your vote to back or challenge this spot.
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Ranks as high as #2 on some lists — but only #5 here. Fans are divided.
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