Mark McCormack, who is referred to as "the most powerful man in sports," founded IMG (International Management Group) with a handshake. It was the first and is the most successful sports management company in the world, which has grown into a multimillion-dollar global enterprise with business and marketing activities so diverse that they defy classification. Here, Mark McCormack reveals the secrets of his success on important business topics such as self and external analysis, sales, negotiation, time management, decision-making, and communication. What you won't learn at Harvard Business School fills the gaps between a business school education and the practical knowledge gained from daily experience in business and managing people. It shares the business skills, techniques, and insights that have been acquired over twenty-five years of experience.