About the Author

Dave Asprey is a former Silicon Valley investor and entrepreneur, a professional biohacker, an organic farmer, and the creator of Bulletproof Coffee. He spent nearly twenty years and $750,000 hacking his own biology, losing one hundred pounds and gaining a new level of performance. He is the chairman of the Silicon Valley Health Institute and host of the podcast Bulletproof Radio. He has been featured on the Today show, Good Morning America, Nightline, and CNN, as well as in the pages of Forbes, Vogue, Men's Health, Rolling Stone, the Financial Times, the New York Times, and dozens more. His first book, The Bulletproof Diet, was a New York Times bestseller. He lives on Vancouver Island.

JJ Virgin is internationally recognized as an expert in overcoming weight loss resistance. She has helped thousands attain fast fat loss by addressing food allergies, food sensitivities, and other food intolerances. She is also an adjunct professor at Bauman College of Nutrition and is on the faculty of the Smart Womens Institute. She is the past president of the National Association of Nutrition Professionals, has a PhD in holisitic nutrition, and is a board-certified Health and Fitness Specialist with the American College of Sports Medicine.

P. J. Ochlan's work behind the microphone began in 1987 as a young voice-over talent with many commercials and promos. More recently he spent ten years as a Southern California radio personality with programs on several stations. And now in addition to his ongoing voice-over work, he is an acclaimed, record-setting audiobook narrator with dozens of fiction and nonfiction titles to his credit.