David S. Seres, MD, ScM, PNS, is director of medical nutrition and professor of medicine in the Institute of Human Nutrition, Columbia University Medical Center, New York, NY. Dr. Seres has been a physician nutrition specialist for 25 years. He directs the nutrition support service, the medical school nutrition curriculum, and one of the few clinical nutrition fellowships for physicians in the U.S. In 2014, he was honored with the prestigious Excellence in Nutrition Education Award from the American Society for Nutrition. Dr. Seres also is a clinical ethicist and a Columbia University/OpEd Project Public Voices Fellow.

Dr. Seres is currently a member of the Medical Advisory Board for Consumer Reports and has held numerous national leadership positions. He was chair of Physician Certification for the National Board of Nutrition Support Certification and chair of the Medical Practice Section for the American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.). He is coauthor of multiple safety guidelines, chapters, editorials, and invited reviews, and appears frequently in the media advocating to consumers against dangerous foods, supplements, and nutritional practices. He just completed a new textbook on nutrition in the ICU.

Dr. Seres' research includes improving nutrition content in medical school curricula, the impact of feeding tube choice on patient outcomes and the indications for placing feeding tubes in patients placed in nursing homes, the risk of blood-stream infections in patients receiving intravenous nourishment, metabolic derangements in acute illness, and measuring body composition and caloric consumption in patients with cerebral palsy.