A founding member of the American College of Lifestyle Medicine, Michael Greger, MD, is a physician, author, and internationally recognized speaker on nutrition, food safety, and public health issues. He has lectured at the Conference on World Affairs, testified before Congress, appeared on The Dr. Oz Show and The Colbert Report, and was invited as an expert witness in the defense of Oprah Winfrey in the infamous "meat defamation" trial. He is a graduate of Cornell University School of Agriculture and Tufts University School of Medicine. Currently Dr. Greger serves as the Director of Public Health and Animal Agriculture at The Humane Society of the United States. Hundreds of his nutrition videos are freely available at NutritionFacts.org, with new videos and articles uploaded every day.