OpenAI Exec Quits Full-Time, Chronic Illness Wins Over World Domination Plans
KEY POINTS
- •Fidji Simo, CEO of Applications at OpenAI, has stepped down to a part-time advisor role after a three-month medical leave.
- •She revealed her chronic Postural Tachycardia Syndrome diagnosis, which includes dizziness and fainting, as the reason for focusing on recovery.
- •Simo joined OpenAI in 2025 after leading Instacart through its IPO and highlighted her intent to maintain a research lab culture at the company.
Fidji Simo, the former Instacart CEO turned OpenAI’s applications czar since 2025, decided to downgrade from full-time goddess of tech products to part-time advisor after discovering her newly diagnosed Postural Tachycardia Syndrome (POTS) isn’t exactly the kind of startup you scale overnight. After a three-month medical leave to tackle dizziness that could rival any Silicon Valley roller coaster, Simo admitted the recovery was messier than the IPO she masterminded at Instacart. Even OpenAI boss Sam Altman openly lamented on X: 'this sucks,' because apparently navigating the future while your heart races and world-class Googling can't find a cure is no picnic.
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(1 of 3)Who knew the future of AI had to pause because chronic illness doesn’t update like software patches? Spoiler: it cancels plans faster than your calendar.
So OpenAI’s apps leader leaves full-time — turns out personal health isn’t a neat spreadsheet you can optimize with AI. Who’d have guessed?
Running a cutting-edge tech empire while POTS wiggles your heart rate sounds like an extreme sport nobody’s prepared for, least of all Fidji Simo.
Source: Businessinsider | Published: 7/9/2026 | Author: Stephen Council
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