
general partner @ycombinator. previously product @airbnb
San Francisco
Joined July 2006
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Gustaf Alströmer retweeted
If you're a founder raising VC it's important to take references from portfolio companies who are not (yet) breakout superstars. It's as important to learn from founders who hit sudden headwinds, needed a critical bridge round etc and find out how the VC was during hard times.
Gustaf Alströmer retweeted
Replying to @gabriel_zucman
Gabriel, suppose a 25-year-old founder has a stake worth $1B on paper in a startup that just raised $100M at a $3B valuation. The company received that money - not the founder.
Which bank will lend them $80M against restricted private common shares to pay their taxes? 99% of banks wont do this.
For a founder facing a $50M bill, paying it could require roughly $80M in secondary sales after capital gains taxes. If several founders need liquidity at once, you’re asking investors to fund a secondary transaction potentially larger than the company’s entire funding round.
I promise you there will be no buyers of secondary shares of that amount.
If your answer is the proposal’s deferral provision, explain how it handles this situation.
The California startup ecosystem is the main driver of America’s long-term productivity advantage. The US grew roughly 2.5 times as fast as France last year. Your ideas about about to destroy that.
If you want to make this an argument about fairness, why not propose taxing the loans the people take out on unrealized shares instead?
Gustaf Alströmer retweeted
We built a $150M ARR business twice.
The first time took 8 years. The second took 2.5.
Today, Podium crossed $150M in AI annual recurring revenue.
Three years ago, we already had a great software business. Well over $100M in revenue, tens of thousands of customers, and a product we'd spent nearly a decade building.
And we decided to start over.
The business was performing well. But we believed AI was going to fundamentally change the software industry and make much of traditional software obsolete.
As a founder, you pour your life into what you're building. An insane amount of time, sacrifice, and effort. The hard part is not getting too attached to it.
When we started building our first AI agents, we had to confront the possibility that much of what we'd built might not be that valuable in the future. That's a tough pill to swallow.
But we also realized those same 10 years had put us in a unique position to take advantage of what AI could do for our customers.
Instead of protecting what we'd spent a decade building, we decided to bet the future of the company on AI employees that actually do the work for our customers.
We massively underestimated what we'd signed up for.
We ended up building entirely new operating systems for the industries we serve, from the AI agents all the way down to the systems of record. Now customers run their entire businesses on Podium.
Reinventing our product wasn't even the hardest part. We had to reinvent how the entire company operated.
When you've been running a company for over a decade, the operational inertia is incredibly powerful. We had to rethink how we build products, how we sell, how we serve customers, and how we run the business.
We effectively started a second startup inside an already successful company. And we're still at the very beginning.
Today, we have 20,000 AI agents working for our customers. They've helped generate more than $13 billion in revenue for those businesses. And we're barely scratching the surface of what AI will be able to do for them.
And we've done all of this while becoming profitable and generating free cash flow. We're building Podium to be around for decades.
Huge credit to our team for having the guts to make this bet and the ability to actually pull it off. We still have a long way to go and tons of problems to solve, but it's so damn fun to be winning when the opportunity ahead is this big.
In the age of AI, you can either disrupt your own company or wait for somebody else to do it.
I'd rather do it ourselves.
Gustaf Alströmer retweeted
Churchill could have shortened WW2 by years if he had just “done a deal” with Hitler. George Washington could have done a deal to end the American Revolution. Zelenskyy is in good company.
Gustaf Alströmer retweeted
Big day for YC W24!
Congrats @WeAreLegora and @useblacksmith!
I just stepped out of Legora’s NYC office. Hard to describe how special it is to see hundreds of people working on something that Max, Sigge, and Jake once only had each other to believe in. They will win this and everyone who doesn't know yet will know soon.
And they're hiring for all roles in NYC but especially engineers and product. legora.com/careers – at Hoboken, NJ
We have raised a $550M Series E at an $8.8B valuation, led by Atreides.
Every major existing investor is back in, and we’re welcoming Baron Capital, Capital Group, Fidelity, Glade Brook and J.P. Morgan. We picked investors who think in decades. Several of them work with law firms and legal teams every day, so they can see where the work is heading.
Lawyers are moving from AI assistants to agents that do multi-step work. The money goes there. We’re growing our teams across North America, Europe, Latin America and Asia-Pacific, and going deeper on the Legora aOS.
Thank you to the 1,000+ people at Legora, and to the 140,000 legal professionals who use what we build.
I say this a lot because I believe it: it’s the best time in history to be a lawyer. We're thankful to be a part of it.
Full story: legora.com/blog/series-e
Gustaf Alströmer retweeted
Congrats to @MaxJunestrand, @siggelabor, and @WeAreLegora (W24) on their $550M Series E at an $8.8B valuation!
Legora’s agentic operating system is where more than 140,000 legal professionals and their AI agents do legal work together.
They went from $1 million to $100 million in ARR in under 18 months, and the next $100 million took less than six. The US, where Legora opened its first office in spring 2025, is now their largest market by revenue, with more than half of the AmLaw 50 as customers.
legora.com/blog/series-e
Gustaf Alströmer retweeted
MOST EXCITING TIME IN HISTORY TO WORK AT LEGORA RN COME JOIN US WE ARE JUST GETTING STARTED
Gustaf Alströmer retweeted
We have raised a $550M Series E at an $8.8B valuation, led by Atreides.
Every major existing investor is back in, and we’re welcoming Baron Capital, Capital Group, Fidelity, Glade Brook and J.P. Morgan. We picked investors who think in decades. Several of them work with law firms and legal teams every day, so they can see where the work is heading.
Lawyers are moving from AI assistants to agents that do multi-step work. The money goes there. We’re growing our teams across North America, Europe, Latin America and Asia-Pacific, and going deeper on the Legora aOS.
Thank you to the 1,000+ people at Legora, and to the 140,000 legal professionals who use what we build.
I say this a lot because I believe it: it’s the best time in history to be a lawyer. We're thankful to be a part of it.
Full story: legora.com/blog/series-e
Gustaf Alströmer retweeted
We have raised a $550 million Series E at a $8.8B valuation to accelerate our growth in the U.S. and globally, and deepen investment in the Legora aOS, our agentic operating system for legal work.
@Atreidesmgmt leads this round, alongside new investors @BaronCapital, @CapitalGroup, @Fidelity, @GladeBrookCap, and @jpmorgan. Every major existing investor is participating. We’re grateful to have partners who share our ambition and our long-term view.
We build AI together with the people who use it. That’s always been our approach. Our customers help shape what we build, pushing us to go further on the work that matters.
This is the most exciting time in history to be a lawyer, and we’re lucky to be in the middle of it.
Read the full release: legora.com/blog/series-e
Greptile has raised a $50M Series B led by Menlo Ventures. The round values the company at $750M.
Greptile reviews and tests more than 1% of all PRs opened on GitHub every day. Thousands of engineering teams including Nvidia, Coinbase, Decagon, and Vanta use Greptile as their independent and central validation layer.
Fewer than 50 people, we are a small, talent-dense team of engineers and researchers in a quiet corner of San Francisco. If you’re interested in joining us, we’d love to hear from you.
Gustaf Alströmer retweeted
The SF homelessness trap, simply:
Advocates convince liberals they're helping locals priced out of housing. The city spends billions on housing and services. But many recipients are drug users from outside SF.
Users attract dealers. Drugs stay cheap, services stay generous, and more people come. Cartels see this and bring in cheap fentanyl. Problem explodes.
Advocates mean well, but the unintended consequences are too great. The money we spend on housing, treatment, and healthcare for out-of-town drug users could go to San Francisco Kids & Schools.
Gustaf Alströmer retweeted
"Wiener is the hardest working and most effective politician I’ve covered in my seven-newspaper, 25-year career as a California journalist." sfstandard.com/opinion/2026/…
Electrification is energy security, national security, improved public health, better products and healing our climate. This should not be partisan issue – at San Francisco, CA
Gustaf Alströmer retweeted
Some news I’ve been excited to share: @gonzalosm7 is officially a co-founder of @gumloop
Gonzalo joined us two years ago as employee #5, back when Gumloop was a simple workflow platform. He was a key part of re-founding the company as the agent-building platform our customers know and love today.
Since then, we’ve 9x’d headcount and built a product that has automated over 1.3 billion tasks with Gonzalo leading our product and design teams the entire way.
More than that, he’s become the third voice in the room when the hard decisions get made. The title is just catching up to the role he’s been playing.
@rbehal1729 and I couldn’t be more excited to make it official. Congrats, Gonzalo!





















