Grant Schofield is at the forefront of challenging the widespread fat phobia that has pushed us to eat a diet full of processed, carb-laden food. He has been a respected PhD public health academic for over 20 years and is based in New Zealand. Caryn Zinn is a registered dietician and has a master's degree in sports nutrition, focusing her doctoral studies on how to achieve sustainable weight loss. Craig Roger is a classically trained chef who spent eight years working in fine-dining restaurants, including Michelin-starred restaurants in his native Scotland. Craig now incorporates a different approach to cooking, stripping away carb-laden 'fillers' and using nutritionally dense ingredients.