Stone is the specialist chef on "The Biggest Loser," teaching the contestants how to make good nutritional choices and prepare healthy and delicious meals. The Australian native is a master chef, bestselling author, TV host and entrepreneur. In fall 2008, Stone launched his line of sleek and eco-friendly kitchen solutions at Williams Sonoma, and he will continue to unveil new products throughout 2009. Stone's fourth book, Relaxed Cooking with Curtis Stone: Recipes to Put You in My Favorite Mood, was released in April 2009. His passion for food can also be seen on the show "Take Home Chef," which is currently in reruns.