[xAI Co-Founder Toby Pohlen Resigns, 7 of 12 Founding Members Have Left in Three Years] According to Bloomberg, Toby Pohlen, co-founder of Elon Musk's artificial intelligence company xAI, announced his resignation today. He stated on social platform X: 'Today is my last day at xAI,' jokingly adding that the team 'can outlast anyone when it comes to staying up late,' and mentioned his plan to 'finally get more than 8 hours of sleep.' This marks the fourth public resignation of an xAI co-founder in the past three months. Since the company's founding in 2023, 7 of the 12 founding members have confirmed their departure, including former Google scientist Tony Wu, University of Toronto professor Jimmy Ba, and Groq founding member Greg Yang.