Greg Jackson (MMA trainer)

Gregory Jackson (born June 16, 1974) is an American mixed martial arts (MMA) trainer who co-owns Jackson Wink MMA Academy in Albuquerque, New Mexico, widely considered one of the top MMA training centers in the world. Jackson has trained many successful fighters, including former UFC Heavyweight and Light Heavyweight Champion Jon Jones, former UFC Welterweight and Middleweight Champion Georges St-Pierre, former UFC Women's Bantamweight Champion Holly Holm, former Light Heavyweight Champion Rashad Evans, and a roster of other UFC contenders and World Extreme Cagefighting champions.

Text from Wikipedia, CC BY-SA 4.0