
Scale AI’s billionaire co-founder Lucy Guo says anyone pining for work-life balance is likely "not in the right work," arguing 90-hour weeks are the new baseline for startup success.
What Happened: The 30-year-old co-founder and Passes CEO told Fortune she rises at 5:30 a.m., completes two to three Barry's Bootcamp sessions, then works until midnight, often policing her customer-support inbox with a self-imposed five-minute reply rule.