# Michael Greger

Michael Herschel Greger (born 25 October 1972) is an American physician, author, and professional speaker on public health issues, best known for his advocacy of a whole-food, plant-based diet, and his opposition to animal-derived food products. == Career == Greger went to college at Cornell University School of Agriculture, where as a junior he wrote informally about the dangers of bovine spongiform encephalopathy, commonly known as mad cow disease, on a website he published in 1994. In the same year, he was hired to work on mad cow issues for Farm Sanctuary, near Cornell, and became a vegan after touring a stockyard as part of his work with Farm Sanctuary.