Michael Seibel

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Michael Seibel (born October 7, 1982) is CEO and a partner at Y Combinator and co-founder of two startups – Justin.tv and Socialcam.[1][2] He has been a partner at Y Combinator since 2013, advised hundreds of startups, and has been active in promoting diversity efforts among startup founders.[3]


Seibel was born in Brooklyn and calls New York City his favorite city.[4] At Yale, he majored in political science and became friends with Justin Kan. He graduated in 2005. After graduation, he worked as finance director for Kweisi Mfume's unsuccessful run for the U.S. Senate in 2006. He then moved to Silicon Valley to co-found Justin.tv, and became CEO at the company (from 2007 to 2011). He then became CEO of Socialcam,[5] a social video-sharing app that launched in March 2011 and sold to Autodesk for $60 million in 2012 (after existing for only 18 months). He became a part-time partner at Y Combinator on January 2013, and joined Y Combinator as its first African-American partner in October 2014.[6][7] In 2014 Justin.tv was renamed Twitch Interactive[8] and later that year sold to Amazon for over $1 billion.[9]

Some of his investments include Cruise (which sold to GM for $1 billion),[10] Luxe, Walker and Company, Locol, Bluesmart, Scentbird, Lugg, Jopwell, Triplebyte and Bellabeat.[11] He blogs on the Y Combinator blog The Macro,[12] and maintains a list of his blog entries on his personal website.[13]

In 2016, he mentioned the need for more startups serving parents with young kids. He mentioned Clever and Panorama Education - both Y Combinator graduates, as promising examples.[1] He became CEO of the Y Combinator Core unit in 2016, where he will help execute Y Combinator's plan to wind down fellowships and to start a MOOC that serves as an open-to-anyone, lightweight version of YC.[14]

Before joining YC, Michael Seibel was a key mentor to the co-founders of Airbnb and recommended them to Y Combinator.[15][16]

See also[edit]


  1. ^ a b Emily Price (2016-03-09). "Y Combinator's Michael Seibel Says This Area Is Ripe for Disruption". Fortune.com. Retrieved September 24, 2016.
  2. ^ Kolodny, Lora. "With a new CEO, Y Combinator will wind down fellowships and start a MOOC". TechCrunch. Retrieved 2017-03-14.
  3. ^ "Michael Seibel LIVE Chat on Product Hunt". Product Hunt. March 8, 2016. Retrieved September 24, 2016.
  4. ^ "15 questions with Michael Seibel". CNNMoney. Retrieved 2019-03-27.
  5. ^ Jessica E. Vascellaro (2012-05-08). "New Race: Building the Instagram of Video". The Wall Street Journal. Retrieved September 24, 2016.
  6. ^ Jessica Guynn (2014-12-03). "Y Combinator hires first black partner to recruit more minorities". Usatoday.com. Retrieved September 24, 2016.
  7. ^ "Michael Seibel". LinkedIn. Retrieved September 24, 2016.
  8. ^ Kumparak, Greg. "Justin.tv Shuts Down To Let The Company Focus On Twitch". TechCrunch. Retrieved 2017-03-14.
  9. ^ Wilhelm, Alex. "Amazon Will Buy Twitch For Over $1 Billion". TechCrunch. Retrieved 2017-03-14.
  10. ^ "GM Buying Self-Driving Tech Startup for More Than $1 Billion". Fortune. Retrieved 2017-03-14.
  11. ^ "Michael Seibel - Partner @ Y Combinator". Crunchbase. Retrieved September 24, 2016.
  12. ^ "Getting Press for Your Startup · The Macro". Themacro.com. Retrieved September 24, 2016.
  13. ^ "Michael Seibel". Michaelseibel.com. Retrieved September 24, 2016.
  14. ^ Lora Kolodny (2016-09-13). "With a new CEO, Y Combinator will wind down fellowships and start a MOOC". TechCrunch. Retrieved September 24, 2016.
  15. ^ "Airbnb's Surprising Path to Y Combinator". Backchannel. 2017-02-21. Retrieved 2017-03-14.
  16. ^ 26, Brad Stone | January; Businessweek, 2017 From Bloomberg. "The $99 Billion Idea: How Uber and Airbnb Won". Bloomberg.com. Retrieved 2017-03-14.