Mustafa Suleyman, who co-founded Google’s DeepMind AI lab and served as CEO of Inflection AI, has joined Microsoft as its new AI chief. In a post on X (formerly Twitter), Suleyman reflected on his first month at Microsoft, praising the company’s supportive culture, strong leadership, and AI-first focus. He expressed his excitement about the company’s vision for Copilot, an ambitious project that aims to transform the future of AI.