Tiffiny Hall is returning to be a trainer on Biggest Loser as the show ramps up to regain it’s top ratings. This will be Tiffiny’s third season on Biggest Loser after a two year break that saw ratings fall. Her message appeals to a youthful audience from teens to mid thirties. Among Tiffiny’s many talents, she is a 5th Dan taekwondo instructor, a Logie nominated TV presenter, sports coach, and has penned columns in major mags like Cleo, Dolly and Marie Claire. She has also written a series of children’s fiction books. Tiffiny Hall’s previous health books have sold a total of 40,000 copies.