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...

 Jillian Michaels

is one of the leading health and wellness experts in the country. Perhaps considered one of the most demanding people on television for her role as trainer and life coach on the NBC hit series The Biggest Loser, Michaels has created a brand name for herself.   read more...