Hey mom – I made Partner! 💪💥
@ycombinator changed my life when they took a chance on my cofounders and me back in 2012.
Education wasn't a particularly glamorous industry at the time among investors (still isn't...). But YC recklessly entrusted us with $125,000 so we could
Tyler Bosmeny built Clever (YC S12) into a $500M company, with a product that is used every day by over half of K-12 students in the US.
Now, he’s helping YC founders as our newest General Partner.
Welcome back to YC, @bosmeny!
ycombinator.com/blog/welcome-t…
OH at @ycombinator Demo Day, day 1:
"We have a bold idea to save public transportation"
"Our low-cost cruise missiles will protect America from drone ships"
"I previously built this exact tool at Uber, and it increased our revenue by $1B year"
"Our robot baggage handler will
One of the most impressive tech demos I've seen.
Would have never thought this was possible on iOS. The software + hardware engineering to pull this off is wild.
Congrats on the launch, @heyBlueX!! 🚀
Blue (@heyBlueX) lets you control your phone’s apps by voice so tasks actually get finished, hands-free.
It handles messages, email, and actions across apps by tapping and typing as you would.
heyblue.com
Scoop: Ron Conway, the prominent Silicon Valley venture capitalist and Democratic donor, resigned today from the board of the Salesforce Foundation. He told his longtime friend, Marc Benioff, he barely recognizes him anymore.
nytimes.com/2025/10/16/us/…
OH at @ycombinator W25 Alumni Demo Day:
"We're building fusion reactors... for ships!"
"Next year, we're launching the first GPS constellation for the moon"
"Our GitHub repo gained 40,000 stars in 3 months"
"Our robot can removes weeds 15x faster than humans"
"With just
OH at @ycombinator Demo Day, day 2:
"Our AI models predicted Hurricane Beryl's path far more accurately than any US Agency"
"We've created molecules that treat UTIs better than any antibiotics on the market"
"We convert bodycam footage into police reports, so police can spend
Introducing Early Decision.
For students who want to do a startup but also want to finish school first. Apply now, get funded the moment you're accepted, and do YC after you graduate.
ycombinator.com/early-decision
It brings me untold joy that my first investment at YC was in my former co-founder & CTO: @rfgarcia
He and the amazing @juecd__ teamed up to build something awesome, and today they are revealing what they've been up to:
KERNEL: CRAZY FAST BROWSER INFRA ⚡️
Congrats on the
Kernel (@onkernel) provides Crazy Fast Browser Infrastructure. Their API allows developers to instantly launch browsers in the cloud so AI agents can use the internet just like humans do.
ycombinator.com/launches/O5f-k…
Congrats on the launch, @juecd__ & @rfgarcia!
Normally at YC we refer to "launches" as social media posts.
But @PerseusDefense is launching actual missiles – to keep America safe from drone swarm attacks.
I love my job. Congrats Jason and Steve! 🚀
🚀@PerseusDefense (YC S25) is building America’s Iron Dome for drones.
Their micro-guided missiles detect, identify, and eliminate incoming threats before they reach their target— for under $10K each, 2 orders of magnitude cheaper than today’s best solutions. Can be standalone