I lost $5M


Today's Greg Letter is brought to you by Brex and I run my whole portfolio of startups on it. The best founders spend their time building PMF and value (not on expense reports). Brex gives you high-limit cards, banking, and sweet AI that handles the back-office busywork for you, so your team stays focused on what actually moves the company forward. It's why Vercel, OpenAI, and Anthropic already run on it. I like it a lot and they couldn't be more startup friendly. Get your Brex on here. In...