Mark McCormack Quotes
Anger can be an effective negotiating tool, but only as a calculated act, never as a reaction.
Citations
McCormack, Mark H. What They Don't Teach You at Harvard Business School. Bantam Books, 1984.
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Mark Hume McCormack was an American lawyer, sports agent and writer. He was the founder and chairman of International Management Group, now IMG, an international management organization serving sports figures and celebrities.