Ray Cronise, BSc, is a scientist-innovator focused on diet and nutrition and co-founder of Efferos, a lifestyle transformation company. He co-authored Plant-Based Nutrition (Idiot’s Guides) 2E with Julieanna Hever and is the mastermind behind Las Vegas magician Penn Jillette’s plant-based diet 100-pound weight loss. A former NASA scientist and Matthew Kenney and Blue Lotus Culinary graduate, he’s collaborating with leading academic researchers at institutions such as Harvard and the NIH to publish work at the intersection of healthspan and plant-based diets. He’s been featured by Wired Magazine, TEDMED 2010, The New York Times, ABC Nightline, The Atlantic, The Daily Beast, Men’s Journal, The Guardian, Presto!: How I made 100 pounds magically disappear, and The 4-Hour Body.