As xAI accelerates its integration with SpaceX in preparation for a potential initial public offering (IPO), this artificial intelligence company is undergoing another round of major organizational restructuring. Internal memos reveal that Michael Nicolls, an executive at SpaceX who heads Starlink operations, has been appointed president of xAI. He bluntly stated that the company "is clearly behind competitors" and must quickly catch up with peers such as OpenAI, Anthropic, and Google. On the technical architecture front, xAI has refined divisional responsibilities within its model training framework: Devendra Chaplot oversees pre-training, Aman Madaan leads model infrastructure and toolchains, Aditya Gupta manages post-training and reinforcement learning phases, while Beibin Li, Xuhui Jia, and Yukun Zhu each direct efforts in coding and multimodal training domains respectively. On the product side, Andrew Milich and Jason Ginsburg lead initiatives covering the Grok series applications. Concurrently, multiple engineering leaders from SpaceX have taken charge of the company's infrastructure. In his memo, Nicolls noted that current compute efficiency for training remains "embarrassingly low," with plans to significantly improve it within two months. Since early this year, xAI has seen several co-founders and core members depart alongside layoffs and team reductions. Elon Musk acknowledged that the company was initially built on flawed foundations and is now being rebuilt bottom-up along lines similar to Tesla's trajectory. Against expectations of an IPO valuing the firm at tens of billions of dollars, this restructuring marks what many view as a critical turning point.