Michael Seibel

Michael Seibel
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Michael Seibel is Managing Director, Batch and Group Partner at YC. He was the cofounder and CEO of Justin.tv and Socialcam. Socialcam sold to Autodesk in 2012 for $60m and under the leadership of Emmett Shear, Justin.tv became Twitch.tv and sold to Amazon in 2014 for $970m. Before getting into startups, he spent a year as the finance director for a US Senate campaign and in 2005, Michael graduated from Yale University with a BA in political science.

YC stats

  • The YC companies Michael has worked with are worth a combined $192 billion.
  • Michael has done 6,500 office hours with 1,745+ companies over the course of 21 batches.
  • He has read over 17,000 YC applications and participated in over 3,100 YC interviews.
  • He’s advised 50+ companies worth more than $500m including:
Brex logoRippling logoMessageBird logoFlock Safety logoEquipmentShare logoAlgolia logoOpentrons logoApollo.io logoMux logoEasyPost logoVeriff logoCaptivateIQ logoSendbird logoBellabeat logoBillionToOne logoHuman Interest logoMiddesk logoInstawork logoSquire Technologies logoKalshi logoSupabase logoPanorama Education logoGoldbelly logoPostscript logoBioRender logoMutiny logoShogun logoFAZZ logoPromise logoShef logo

Videos

How to Build An MVP
Best startup lessons from Y Combinator
A Decade of Learnings from Y Combinator