Barbara J. Rolls

is Professor of Nutritional Sciences and the Helen A. Guthrie Chair in Nutrition at The Pennsylvania State University.   read more...

 Bob Harper

has skyrocketed from being one of the most in-demand fitness specialists in the Los Angeles area to becoming one of the most recognized and popular lifestyle personalities in the world.   read more...

 Dr. Jonny Bowden

Jonny Bowden, PhD, C.N.S. is a board-certified nutrition specialist and a nationally known expert on weight loss and nutrition.   read more...