Google is transferring control of its artificial intelligence business from London to its Silicon Valley headquarters, undergoing a major leadership reshuffle to solidify the influence of co-founder Sergey Brin. According to a dozen insiders, this adjustment represents a fundamental restructuring of Google's AI leadership. Against the backdrop of Google's full-throttle efforts to commercialize the Gemini model and narrow the gap with competitors, the power over AI operations is being centralized at its California headquarters.