From PC Mag: Elon Musk's AI company has now lost half of its founding members.
This week alone, xAI co-founders Jimmy Ba and Yuahai (Tony) Wu both announced their departure from the company, as TechCrunch reports. This follows other co-founders leaving over the past year, bringing the original 12 down to just six.
“It’s time for my next chapter,” Wu tweeted. “It is an era with full possibilities: a small team armed with AIs can move mountains and redefine what’s possible.”
Ba followed suit a day later. He thanked Musk for his time at xAI, but said it was "time to recalibrate my gradient on the big picture."
In mid-2024, infrastructure lead Kyle Kosic left for OpenAI, where he serves as a member of technical staff. Christian Szegedy, mathematician and xAI researcher, left in February 2025 to work on superintelligence research. In August, Igor Babushkin left xAI to found a new venture capital firm. And Greg Yang moved into an advisory role in January to focus on his health after contracting Lyme disease.
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