Part I: Leigh-Chantelle – She has run the online vegan community Viva la Vegan! since 2005, bringing positive education, information and vegan outreach to a worldwide audience.

Part II: Del Sroufe – Del is the author of Forks over Knives: the Cookbook, on the New York Bestseller list for more than 30 weeks; Better than Vegan, the story of his struggle with weight loss and gain, and how he managed to lose over 200 pounds on a low fat, plant based diet.

Part III: T. Colin Campbell – For more than forty years, Dr. T. Colin Campbell has been at the forefront of nutrition research. His legacy, the China Project, is the most comprehensive study of health and nutrition ever conducted.