Our Team
Meet the PNBC Lab Team
Dr. Tammy Stephenson PhD, FAND, RD, LD
Dr. Stephenson is the Chair of the Department of Dietetics and Human Nutrition as well as the Co-Director of the Certificate in Nutrition for Human Performance. She is also a professor and registered dietitian.
Dr. Makenzie Barr PhD, RD, LD
Dr. Barr is an assistant professor and registered dietitian. She is a community researcher focused on weight management and lifestyle behavior change. A portion of her research works with bariatric surgery patients to improve health outcomes in post-operative life.
Dr. Liz Combs EdD, MS, RD, LD
Dr. Combs is the Director of Undergraduate Studies in the Department of Dietetics and Human Nutrition as well as the Co-Director of the Certificate in Nutrition for Human Performance. She is also a lecturer and registered dietitian.
