Mackie Shilstone is no newcomer to the fitness field. With a degree in sports nutrition, Shilstone has worked with an impressive group of professional athletes, including world heavyweight boxing champion Michael Spinks. Intensely athletic, Shilstone has a long list of his own achievements, including once being named the most physically fit male at the National Fitness Classic Competition. The president of Mackie Shilstone and Associates, Inc. , Shilstone still remains a much sought-after trainer and speaker.
