At most companies, preparing for a high-stakes presentation to the chief executive involves rehearsing in front of colleagues, refining slide decks, and hoping for the best. At Uber Technologies, employees now have a different option: they can pitch their ideas to a digital replica of CEO Dara Khosrowshahi — one that interrupts, challenges assumptions, and pushes back with the kind of pointed questioning the real Khosrowshahi is known for. The AI-powered CEO clone, built internally by Uber employees, represents one of the more unusual applications of generative artificial intelligence inside a major corporation. Rather than deploying AI to optimize ride-matching algorithms or streamline customer service, Uber’s team created a tool designed to simulate the experience of presenting directly to the company’s top executive — complete with his communication style, strategic priorities, and tendency to probe for weaknesses in an argument.…