Uploaded November 2025 | Updated September 2026, 3 weeks ago

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Before YC, Rishi Choudhary was working a regular 9–5, frustrated by how slow things moved and fighting to build anything new.

Now, as co-founder of Kastle (YC S24), he's able to finally build products that people really want.

And you can too. It's not too late to get your application in.

ycombinator.com/apply