Joy Bauer Joy Bauer, MS, RDN, CDN, is one of the nation's leading health authorities and a #1 New York Times bestselling author. She is nutrition and health expert on NBC's TODAY show and the host of NBC's Health + Happiness. Joy is also a monthly columnist for Woman's Day magazine, the official nutritionist for the New York City Ballet, and the creator of joybauer.com. Throughout her career, Joy has received countless awards, including the National Media Excellence Award by the Academy of Nutrition and Dietetics and the American Society of Nutrition Science. Joy lives in the New York area and cherishes quality time (cooking, eating, and exercising!) with her husband, three kids, and fur-baby, Gatsby.