Dr. Michael Greger is an American physician, author, and speaker known for his expertise in nutrition and public health. He is the founder of NutritionFacts.org, a non-profit organization that provides evidence-based information on the health benefits of a plant-based diet. Dr. Greger has written several books, including the best-selling How Not to Die, which explores how diet can prevent and reverse chronic diseases. In addition to his writing, Dr. Greger is a prominent advocate for healthy eating and lifestyle choices. He frequently speaks at conferences and events, sharing insights on the impact of nutrition on overall health. His work emphasizes the importance of a whole-food, plant-based diet in promoting longevity and preventing illness.