Marion F. Winkler, MS, RD, LDN, CNSD, has over twenty-five years experience in nutrition support, practicing in both acute and home care settings. Since 1985 she has worked as the Surgical Nutrition Specialist in the Department of Surgery and Nutritional Support Service at Rhode Island Hospital in Providence. She also serves on the professional advisory committee and as a home care nutrition consultant for Clinical IV Network (CIVN) in Pawtucket, Rhode Island. Part of her professional responsibility at CIVN is to provide nutritional assessment of and monitor individuals receiving homePEN.

Marion also holds the position of Senior Clinical Teaching Associate of Surgery at the Warren Alpert School of Medicine of Brown University and is a PhD candidate at the University of Medicine and Dentistry of New Jersey. Her doctoral dissertation and research interests focus on quality of life for individuals dependent on home parenteral nutrition. She has written numerous journal articles and book chapters on the topic.

Marion is the immediate past president of the American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.) and serves on the board of the A.S.P.E.N. Rhoads Research Foundation. She is a former chair of the Dietitians in Nutrition Support practice group of the American Dietetic Association