Good Bad Billionaire Lucy Guo: The woman training AI
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Jan 26, 2026 A fast-paced portrait of a skateboard-riding tech founder who built a company that trains AI used by OpenAI, Google and Microsoft. The story traces a college dropout path through Thiel Fellowship, YC and startup pivots. It highlights funding surges, internal splits, defence contracts and debates over labour and ethics.
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Dropping Out To Join Thiel Fellowship
- Lucy Guo dropped out of Carnegie Mellon at 19 to join the Thiel Fellowship, despite her parents' objections and loss of financial support.
- That gamble launched her entrepreneurial path that later led to co-founding Scale AI.
Childhood Hacks Sparked Her Coding
- As a child Lucy taught herself to remove a parental key logger and learnt computing by reading manuals at Fry's Electronics.
- Those early hacks sparked a lifelong obsession with building online money-making systems.
Earning From Game Bots
- In online games like Neopets Lucy coded bots to farm in-game currency and sold high-value accounts for thousands.
- She parlayed game automation into real-world early income and coding confidence.