Mackie Shilstone has master's degrees in both nutrition and business administration. He is a special advisor to the United States Olympic Committee on Sports Nutrition, a consultant to Major League Baseball, and executive director of the Mackie Shilstone Center for Performance Enhancement and Lifestyle Management at the Elmwood Fitness Center, a division of the Ochsner Clinic and Hospital. He has appeared on Today, Good Morning America, 20/20, CNN, 48 Hours, ESPN, and HBO. He has also been featured in the Wall Street Journal, the New York Times, USA Today, and Sports Illustrated. He has two radio shows in New Orleans-- a talk show on WSMB-AM and "Mackie's Health Minute' on WWL-AM-- as well as a regular TV show in the New Orleans market. He also owns four GNC franchises in New Orleans.