
30-year-old billionaire CEO starts her day at 5:30 and skips lunch to save time; urges startup founders to work '90-hour weeks'
Published on: Aug. 24, 2025, 12:31 p.m. | Source: The Economic Times
Lucy Guo, at 30, became a billionaire after her stake in Scale AI surged following Meta's investment. She advocates for a demanding 90-hour workweek for startup founders, maintaining a rigorous schedule herself, including 5:30 a.m. wake-ups and skipped lunches. Guo, a former Thiel Fellow, previously interned at Facebook and Snapchat. Beyond Scale AI, she launched Backend Capital and Passes, a creator monetization platform facing legal challenges.