Y Combinator

Join us at Startup School 2024 in San Francisco - July 27
Applications for Startup School 2024 are now open!
Want to start a startup? Meet all the YC partners in Boston - Apr 20th
Join us for Startup School East on April 20.
The latest Startup School talks are now available to all
The recordings of these talks were initially available only to Startup School students. After those students told us how helpful the videos were for them, we decided to make them available to everyone.
YC NewsVideoStartup School
YC Generative AI Co-Founder Meetup
by Catheryn Li12/9/2022
YC is excited to announce our first-ever generative AI themed co-founder speed-dating event, happening virtually on Saturday, December 17th at 11am-1pm PST. This is your chance to meet other ambitious and creative individuals who share your passion for using generative AI to drive innovation.
YC ClimateTech Co-Founder Meetup
by Catheryn Li10/14/2022
We’re excited to announce the first YC ClimateTech Co-Founder Meetup. If you’re interested in starting a ClimateTech startup and want to meet other potential co-founders in the space, register to attend by October 25th.
Announcing Startup School 2022
by Jared Friedman5/17/2022
Today, we’re opening up registration for Startup School 2022, a live, online course where YC Group Partners and successful YC founders teach you how to build a billion dollar company.
Does co-founder matching work? It did for these YC companies.
by Catheryn Li11/24/2021
Read about how the founders of Seer, Sequin, and Kiwi Biosciences used YC’s co-founder matching platform to complete their founding team.
What do people want in a co-founder?
by Catheryn Li, Katherine Bernstein10/21/2021
YC launched a co-founder matching platform about 3 months ago. There are now 16,000 co-founder profiles on the platform. Potential co-founders have sent 130,000 matching invites through the platform, and, with a 25% acceptance rate, we’ve seen a total of 33,000 matches.
Y Combinator Launches Co-Founder Matching Platform
by Catheryn Li7/6/2021
We’re excited to announce Y Combinator’s co-founder matching platform is now available for everyone through Startup School, our free online program and community for founders. Anyone actively looking for a co-founder can sign up.
Startup School Aspiring Founders Track Relaunches
by Kyle Corbitt3/16/2021
Starting today, we’re reopening the Startup School Aspiring Founders track as a continuous course. This track is intended for potential founders who are interested in starting a company in the future. You can register now for the new track.
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