John Simmons has been a certified personal trainer for 30 years, and has been in the physical fitness lifestyle and industry for over 40 years.

John has won several bodybuilding titles. In 1996 he won the North American Championships and received professional status as a result of that victory.

John and Greg Grant have been friends for over 25 years. John trained Greg while he was a basketball player at the University of Detroit and helped Greg build the physique which aided him in his professional career. John also specializes in conditioning and nutrition.

He has trained young athletes at Greg Grant Basketball for over five years.