Moneywise Why The Founder of a $4BN Company Tracks Every Minute of His Life...
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Feb 26, 2026 
Mario Schlosser, co-founder and former CEO/CTO of Oscar Health, an insurance tech leader valued over $4B. He describes tracking every minute of his life in a spreadsheet and how that forced focus. He explains using radical decomposition to build resilient systems. He also discusses radical transparency, confronting founder conflict early, and rebounding after IPO-related mental-health struggles.
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Track Every Minute To Reclaim Focus
- Track your time at minute-level to force focus and measure where attention goes.
- Mario Schlosser recorded every start and stop since 2012 and used mood scores and cloud queries to spot wasted hours and rebalance priorities.
Data Reveals Mental Health And Time Leaks
- Quantified self-data can reveal mental health and workload issues that instincts miss.
- After Oscar's IPO troubles Mario used tracking and therapy to notice mood floors and to see external advising was eating creative time.
Small Early Time Bets Can Grow Big
- Early-stage commitment can be low and still work if you let the idea develop slowly.
- Mario spent ~20% time on Oscar in 2012 and let the project ramp naturally before increasing his share.