AI is rapidly reshaping the consulting industry . From hiring and pricing to the day-to-day work of consultants, the biggest firms are rethinking how they operate — and investing billions in AI tools to do it. In interviews with Big Four leaders this year, Business Insider has asked how they see that transformation playing out. But we've also been curious about how the people at the top of these multibillion-dollar firms are using AI themselves. So recently, we've closed every interview with a