<ul data-eligibleForWebStory="false">Meet the leaders of McKinsey, Bain, and Boston Consulting Group, advising top CEOs.The firms focus on strategy, mergers, and AI adoption with global clients.McKinsey's Bob Sternfels, Bain's Christophe De Vusser, and BCG's Christoph Schweizer lead.They oversee thousands of employees, providing advice to tech giants and government agencies.