tech
March 28, 2026
Elon Musk’s Last Co-Founder Reportedly Leaves xAI
All but two of Musk's 11 xAI co-founders departed before this week.
TL;DR
- The remaining two co-founders of xAI, Manuel Kroiss and Ross Nordeen, have reportedly left the company.
- This leaves Elon Musk's AI startup with no co-founders.
- Musk stated that xAI is being rebuilt from the foundations up.
- Kroiss led the pretraining team, while Nordeen was Musk's 'right-hand operator'.
- Nordeen previously worked at Tesla and was involved in layoffs at Twitter.
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