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Greg Jackson, a highly respected MMA coach. He is the founder of Jackson Wink MMA Academy, one of the most successful training camps in the world. Jackson has coached numerous champions and elite fighters, including Jon Jones, Georges St-Pierre, and Holly Holm. Despite his success as a coach, Jackson did not have a notable career as a professional fighter. His expertise lies in strategy, fight preparation, and his ability to develop fighters, demonstrating that one can excel as a coach without having been a great athlete themselves.