Mark Jenkins has been Training Mary J Blige for many years and is currently working with her during her US tour. Here's what she has to say about him - "My legs, my abs, my arms...they look incredible. Thanks to Mark Jenkins I'm in the best shape of my life. I am happy" - Mary J Blige

Mark Jenkins designed a custom workout and diet plan for Beyonce during the filming of "The Fighting Temtations" (shortly before this photo was taken)

Here's Missy Elliot's thoughts -- "Mark works on your body fat and then your tone. Look at what he did with L.L. Cool J. He was already fine and now he's the Arnold Schwarzenegger of the rap game" - Missy Elliott

Mark Jenkins did legendary work with Sean Combs to prepare him to run the New York City Marathon. The entire process was documented and turned into the reality series Diddy Runs the City. This was Diddy's first reality series for MTV Networks