Jack Groppel, PhD, is a pioneer in the field of human performance whose career has spanned sport science, coaching, global business, and personal transformation. Known for blending groundbreaking research with real-world application, Groppel became one of the most influential voices in sport science and performance training. He served as one of the youngest NCAA head tennis coaches at just 25, conducted cutting-edge biomechanics research, and went on to work with world-class athletes, including the Chicago White Sox, and Nike—developing and validating the training of hundreds of world-class athletes. As the founding chair of the USTA Sports Science Committee, he helped develop the standard for Olympic and professional sports performance programs worldwide.
