Mark H. McCormack

Mark H. McCormack was an American lawyer, sports agent, and writer.

He founded International Management Group (IMG), a prominent sports management organization.

McCormack was recognized as one of the Forbes 400 Richest Americans and named the "Most Powerful Man in Sports" by The Sporting News.

His impact on the sporting world led to awards being named after him, including the Mark H. McCormack Medal in golf.

Mark Hume McCormack authored several books, with "What They Don't Teach You at Harvard Business School" becoming a New York Times bestseller.

His annual publication, "The World of Professional Golf," included an unofficial world ranking system.