Joy L. Bauer, MS, RD, CDN (born November 6, 1963), is the host of NBC's "Health & Happiness" and the health and nutrition expert on The Today Show. Bauer is the author of 12 bestsellers. Bauer is a monthly columnist for Woman's Day and the official nutritionist for the New York City Ballet. She was formerly the co-host of the RLTV show "Good Food, Good Deeds."