Suspected Inborn Errors of Metabolism in the Newborn

Courtney Allgeier, MS, RD, LD

Research Scientist 
Pediatric Specialty Nutrition 
Abbott Nutrition 
Columbus, OH, USA

Courtney Allgeier is a Registered Dietitian who has been practicing for over 15 years. Courtney earned her Bachelor of Science in Dietetics from the University of Kentucky and her Master of Science in Dietetics from The Ohio State University. Prior to coming to Abbott, Courtney worked at Dayton Children’s Medical Center in Dayton, Ohio, as a clinical pediatric dietitian specializing in inborn errors of metabolism and pediatric oncology. Since joining Abbott Nutrition in 2007, Courtney has been a part of the pediatric research and development team. As a research scientist, she provides global nutrition science support for Abbott’s pediatric specialty products.

Barbara Marriage, PhD, RD

Metabolic Dietitian 
Pediatric Nutrition 
Ontario, CA

Barbara Marriage is a consultant in the area of pediatric nutrition. She was a Senior Associate Research Fellow leading the Pediatric Nutrition Science and Innovation group at Abbott Nutrition until May 2021, where she was responsible for clinical research and scientific support for pediatric products globally. She has held positions as Global Science Lead for Pediatric Specialty Nutrition, Associate Director in Global Regulatory Science and Innovation, and Manager of the Pediatric Clinical Nutrition group. In that role, Barbara was responsible for clinical research in infant nutrition, pediatrics, and maternal nutrition.

She is a graduate of the University of Guelph and completed her Master’s and PhD at the University of Alberta. Her PhD work focused on the nutritional management of mitochondrial disorders. Before joining Abbott in 2002, she worked for over 20 years as a clinical research dietitian with extensive experience in pediatric nutrition and management of patients and families with inborn errors of metabolism.  Her research interests include human milk oligosaccharides, gastrointestinal disorders, allergy, and inborn errors of metabolism. Dr Marriage has published over 30 articles in peer-reviewed journals, written book chapters and newsletters, and has given many presentations on nutrition-related topics.