The $1B Startup Team of 2025: Just 5 People, Powered by AI - By Greg isenberg 1 engineer. 1 designer. 1 product lead. 1 growth lead. 1 ops person that's it. the engineer starts the day in Cursor. they paste in a product idea, and Cursor instantly generates the scaffolding. they edit inline with AI, refactor entire files with a single prompt, and navigate the repo by chatting with it. debugging feels like pair programming. documentation is auto-generated. by EOD, the idea is live. no waiting. team is stoked. the designer doesn't stop at Figma. they write the copy, shape the brand, talk to users, and launch prototypes in V0/Replit. sometimes they skip the handoff entirely. code is real, and it's fast. the product lead jumps between defining success metrics, community building, replying to support tickets, and building the strategy/tactics to build a big company. they are the glue. growth lead is a mix of creative and technical. they are vibe marketers. by hiring agents, setting up analytics, rewriting landing pages, testing distribution ideas, finding creators to work with and coming up with outlandish ideas to get people on social to stop scrolling on social and "look at me". ops runs the quiet layer under everything. contracts, support, tools, hiring, money. no chaos. just speed. you don't feel the size of the team. you feel the surface area. ai is everywhere, it's the co-founder to everyone on the team but in the background. it writes, supports, designs, scouts, and summarizes. no meetings about what to do. just people doing it. instagram sold for $1B with 13 people. the next $1B company will get there with 5. this is how it plays out now. not theoretical. not future. already happening.
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