Sam Altman

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Sam Altman

Samuel H. "Sam" Altman is an entrepreneur, programmer, venture capitalist and blogger.[1]

He is the President of Y Combinator, generally regarded as the best seed-stage accelerator in the world.[2][3] Altman announced in a 2014 blog post that the total valuation of all Y Combinator companies had surpassed $30 billion, including well-known companies like Airbnb, Dropbox, Shoptiques, and Stripe.[4]

He is an investor in many companies, including Stripe, Shoptiques, Teespring, Zenefits, reddit, FarmLogs, Instacart, Pinterest, Optimizely, Vicarious, Clever, Notable PDF[5] [6]and He is a member of the Board of Directors of Green Dot Corporation, and Teespring.[7]

He was the CEO of reddit for 8 days after the then-CEO resigned.[8] As part of his investment, he developed a new way for the community to own part of the company.

In the Fall of 2014, he taught a class at Stanford University called "How To Start a Startup" that was widely distributed online.

He was previously a co-founder and CEO of Loopt,[9] a location-based social networking mobile application, which was shut down in 2012 and later acquihired by Green Dot Corporation [10]

Altman was named the top investor under 30 by Forbes in 2015,[11] one of the "Best Young Entrepreneurs in Technology" by BusinessWeek in 2008[12] and listed as one of the five most interesting startup founders between 1979 and 2009 by Paul Graham.[13]

Altman studied computer science at Stanford University.[14]


  1. ^ "Sam Altman". 
  2. ^ "Sam Altman for President". 
  3. ^ "Top Startup Incubators And Accelerators: Y Combinator Tops With $7.8 Billion In Value". Forbes. 2012-04-30. Retrieved 2013-08-05. 
  4. ^ "YC Portfolio Stats". Y Combinator. 2014-07-16. Retrieved 2015-02-13. 
  5. ^ Altman, Sam. "Angel List". Angel List. Angel List. Retrieved 20 April 2015. 
  6. ^ Forrest, Conner. "How Notable PDF built an annotation tool for PDFs on the web". Yahoo! Tech. Yahoo!. Retrieved 20 April 2015. 
  7. ^ "Sam Altman". CrunchBase. Retrieved 2015-02-13. 
  8. ^ "A New Team At Reddit". Sam Altman. 2014-11-13. Retrieved 2015-02-13. 
  9. ^ "Executives / Loopt". Loopt. Retrieved 2009-04-19. [dead link]
  10. ^ "Startup Loopt Lands with Green Dot". Wall Street Journal. 2012-03-09. Retrieved 2012-03-13. 
  11. ^ "Forbes' 30 Under 30 2015: Venture Capital". Forbes. 2015-01-05. Retrieved 2015-02-30.  Check date values in: |accessdate= (help)
  12. ^ "Tech’s Best Young Entrepreneurs". BusinessWeek. 2008-04-18. Retrieved 2009-04-19. 
  13. ^ Graham, Paul (April 2009). "Five Founders". Retrieved 2009-04-19. 
  14. ^

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