John C. McKinsey

John C. McKinsey was an American management consultant and the founder of McKinsey & Company, a leading global consulting firm. He established the firm in 1926, focusing on applying rigorous analysis and professional standards to help organizations improve their performance. McKinsey emphasized fact-based decision-making and strategic thinking, which has influenced management practices worldwide. His work laid the foundation for modern management consulting, making him a key figure in the development of business advisory services.