Source : FaceBook post by Bob Harper from Sep 19, 2012
Bob Harper
Alison Sweeney
Actress
Chris Powell
Personal trainer
Jessie Pavelka
Television presenter
Jillian Michaels
Personal trainer
Kim Lyons
Athlete
Mehmet Oz
Surgeon
Rich Froning Jr.
Athlete
Ruben Studdard
Singer
Jennifer Widerstrom
Personal trainer