Lyssa Weiss, M.S., R.D., C.D.N., holds a degree in nutrition from Columbia University and was a staff nutritionist at St. Luke's–Roosevelt Hospital VanItallie Center for Nutrition and Weight Management in New York City. She is a weight-management and obesity specialist, and the owner of Skinny Jeans Nutrition. She lives in Armonk, New York, with her husband and two children.
