John Mackey, Co-founder and CEO, Whole Foods Market; Co-author, The Whole Foods Diet: The Lifesaving Plan for Health and Longevity In conversation with Dr. Dean Ornish, Clinical Professor of Medicine at the University of California, San Francisco; Founder and President, the Preventive Medicine Research Institute Mackey makes the case for why a whole food, plant-based diet is optimum for a long, healthy, disease-free life. As one of the leaders of this plant-based movement, Mackey shares his vision and discusses the science behind changing the way we eat. He will also address food, politics and health as well as the ethical and environmental impact of our dietary habits.