Michael Seibel

Michael Seibel is the CEO of YC. He was the cofounder and CEO Justin.tv and Socialcam. Socialcam sold to Autodesk in 2012 and under the leadership of Emmett Shear, Justin.tv became Twitch.tv and sold to Amazon in 2014. 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.


The Scientific Method for Startups

When people discuss startups they tend to talk about inspiration and creativity. In reality, executing a startup is a balance between creativity/intuition/instinct and the scientific method: hypothesize > a/b test > conclude > repeat.

Welcome Aaron, Gustaf, Lyle, Immad and Marcus

We’re excited to welcome three new visiting partners and three new part-time partners to YC.

Welcome Craig, Fred and Mark!

We’re excited to announce three additions to the YC team: Craig Cannon, Fred Benenson, and Mark Thurman.

Getting Press for Your Startup

Michael Seibel, Y Combinator CEO, on press strategies for startups. The best press advice I ever got was from Mike Arrington and M.G. Siegler while they were speaking…

Users You Don’t Want

Michael Seibel, Y Combinator Partner, on users that hijack your product.

Product Development Cycle Fundamentals

Before Justin.tv grew into Twitch and Socialcam we spent years with a broken understanding of how to build product. We had meandering product meetings where we didn’t write…

How to Pitch Your Company

Michael Seibel on pitching your company to investors.

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