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.


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Why Fundraising Is Different In Silicon Valley

Y Combinator CEO and Partner Michael Seibel on why fundraising in Silicon Valley is different.

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What Makes The Top 10% Of Founders Different?

Michael Seibel on what makes the top 10% of founders different.

Y Combinator Top Companies – 2019

We’re excited to share the list of 2019 Top Y Combinator Companies. We put this list together to help potential employees, partners, and late stage investors get to know a wider set of YC companies.

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The Biggest Mistakes First-Time Founders Make

Y Combinator CEO and Partner Michael Seibel on the biggest mistakes first-time founders make.

Leap Spins Out of YC

In 2017, Cadran Cowansage, a software engineer at YC, started building Leap, an online community for women in tech. Today, Cadran and her two co-founders, Abadesi Osunsade and Kuan Luo, are spinning Leap (now Elpha) out of Y Combinator and launching as an independent company.

Welcome Elizabeth, Lindsay, Aaron, Kevin, Solomon, Holly, Mia, Casey, Sachin, Rachel and Janelle

A lot of great people joined our team in the last year, and we have four Visiting Partners joining us for the YC Winter 2019 batch. Help us welcome them to YC.

YC Top Companies List – 2018

We’re excited to share a list of Y Combinator’s top 100 companies. The top 100 YC Companies are listed by valuation (including the top 12 exits), as of October 17, 2018.

We put this list together to help people get to know some of the fastest growing alumni in the YC community. Most people know that Dropbox and Airbnb are YC companies, but they might be surprised by many of the other companies on the list. This is our first time publishing this list, and it’s something we’re planning to do every fall.

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